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HTTP Server: mod_http2 use-after-free / wild write via shared session-\u003ebbtmp re-entrancy","description":"Use After Free vulnerability in Apache HTTP Server's mod_http2 via shared session-\u003ebbtmp re-entrancy\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.","status":"published","published":"2026-10-01T16:06:53.028Z","modified":"2026-10-01T20:09:25.619Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T13:43:44.898272Z"}],"euvd":[{"id":"EUVD-2026-90896","description":"Use After Free vulnerability in Apache HTTP Server's mod_http2 via shared session-\u003ebbtmp re-entrancy\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.","status":"published","published":"2026-10-01T16:06:53Z","modified":"2026-10-01T20:09:25Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T17:27:43.593551Z"}],"ghsa":[{"id":"GHSA-w59m-qjff-crxx","title":"Use After Free vulnerability in Apache HTTP Server's mod_http2 via shared session-\u003ebbtmp re...","description":"Use After Free vulnerability in Apache HTTP Server's mod_http2 via shared session-\u003ebbtmp re-entrancy\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.","status":"published","published":"2026-10-01T18:32:46Z","modified":"2026-10-01T21:33:58Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T15:12:41.838372Z"}],"nvd":[{"id":"CVE-2026-57941","description":"Use After Free vulnerability in Apache HTTP Server's mod_http2 via shared session-\u003ebbtmp re-entrancy\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.","status":"published","published":"2026-10-01T17:17:27.457Z","modified":"2026-10-05T13:29:16.297Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:12:53.41762Z"}],"osv":[{"id":"ALPINE-CVE-2026-57941","description":"Use After Free vulnerability in Apache HTTP Server's mod_http2 via shared session-\u003ebbtmp re-entrancy\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.","status":"published","published":"2026-10-01T17:17:27.457Z","modified":"2026-10-03T06:30:02.585577551Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:27:50.764331Z"},{"id":"BELL-CVE-2026-57941","status":"published","published":"2026-10-04T17:49:41.164282Z","modified":"2026-10-05T07:15:02.383730318Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:28:24.657778Z"},{"id":"CVE-2026-57941","title":"Apache HTTP Server: mod_http2 use-after-free / wild write via shared session-\u003ebbtmp re-entrancy","description":"Use After Free vulnerability in Apache HTTP Server's mod_http2 via shared session-\u003ebbtmp re-entrancy\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.","status":"published","published":"2026-10-01T16:06:53.028Z","modified":"2026-11-05T21:32:23.954725374Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-416"],"updated_at":"2026-11-05T22:00:34.245765Z"},{"id":"DEBIAN-CVE-2026-57941","description":"Use After Free vulnerability in Apache HTTP Server's mod_http2 via shared session-\u003ebbtmp re-entrancy    This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.","status":"published","published":"2026-10-01T17:17:27.457Z","modified":"2026-10-16T23:00:07.042567417Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:57.590991Z"},{"id":"OESA-2026-4365","title":"httpd security update","description":"Apache HTTP Server is a powerful and flexible HTTP/1.1 compliant web server.\r\n\r\nSecurity Fix(es):\n\nA memory calculation bug in mod_dav in Apache httpd 2.4.67 and earlier allows an attacker with permission to create WebDAV locks to crash server child processes.\n\nUsers are recommended to upgrade to version 2.4.69, which fixes this issue(CVE-2026-42528)\n\nNULL Pointer Dereference vulnerability in Apache HTTP Servers mod_heartmonitor over unicast listener.\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-46729)\n\nExposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache HTTP Server\u0026apos;s mod_session_cookie module.\n\n\n\n   \nWhen SessionCookieRemove changes across internal redirects, the session cookie may still be passed to a backend server.\n\n\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-47360)\n\nOut-of-bounds Write vulnerability in Apache HTTP Server\u0026apos;s mod_charset_lite.\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-56153)\n\nUse After Free vulnerability in Apache HTTP Server\u0026apos;s mod_rewrite when using lookahead (%{LA-U:HTTP:...})\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-56154)\n\nUse After Free vulnerability in Apache HTTP Server\u0026apos;s mod_http2 via shared session-\u0026gt;bbtmp re-entrancy\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-57941)","status":"published","published":"2026-10-16T11:59:49Z","modified":"2026-10-16T12:15:10.277889751Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:47.981622Z"},{"id":"OESA-2026-4366","title":"httpd security update","description":"Apache HTTP Server is a powerful and flexible HTTP/1.1 compliant web server.\r\n\r\nSecurity Fix(es):\n\nA memory calculation bug in mod_dav in Apache httpd 2.4.67 and earlier allows an attacker with permission to create WebDAV locks to crash server child processes.\n\nUsers are recommended to upgrade to version 2.4.69, which fixes this issue(CVE-2026-42528)\n\nNULL Pointer Dereference vulnerability in Apache HTTP Servers mod_heartmonitor over unicast listener.\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-46729)\n\nExposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache HTTP Server\u0026apos;s mod_session_cookie module.\n\n\n\n   \nWhen SessionCookieRemove changes across internal redirects, the session cookie may still be passed to a backend server.\n\n\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-47360)\n\nOut-of-bounds Write vulnerability in Apache HTTP Server\u0026apos;s mod_charset_lite.\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-56153)\n\nUse After Free vulnerability in Apache HTTP Server\u0026apos;s mod_rewrite when using lookahead (%{LA-U:HTTP:...})\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-56154)\n\nUse After Free vulnerability in Apache HTTP Server\u0026apos;s mod_http2 via shared session-\u0026gt;bbtmp re-entrancy\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-57941)","status":"published","published":"2026-10-16T11:59:49Z","modified":"2026-10-16T12:15:12.700971571Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:47.981622Z"},{"id":"OESA-2026-4465","title":"httpd security update","description":"Apache HTTP Server is a powerful and flexible HTTP/1.1 compliant web server.\r\n\r\nSecurity Fix(es):\n\nOut-of-bounds Write vulnerability in Apache HTTP Server\u0026apos;s mod_charset_lite.\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-56153)\n\nUse After Free vulnerability in Apache HTTP Server\u0026apos;s mod_rewrite when using lookahead (%{LA-U:HTTP:...})\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-56154)\n\nUse After Free vulnerability in Apache HTTP Server\u0026apos;s mod_http2 via shared session-\u0026gt;bbtmp re-entrancy\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-57941)\n\nInternal state files accessible to external parties in mod_dav_fs in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows a remote client to read WebDAV dead properties of resources it cannot author via a GET request for the .DAV state directory\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-58415)\n\nOut-of-bounds Write vulnerability in Apache HTTP Server on Windows while processing paths with 8.3 names that may grow when expanded.\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-59685)\n\nImproper Privilege Management vulnerability in Apache HTTP Server\u0026apos;s mod_ssl via SSLRequire and file-related expressions.\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-59797)\n\nImproper validation of FTP PASV reply address in mod_proxy_ftp in Apache Software Foundation Apache HTTP Server through 2.4.68 on all platforms allows, in forward proxy configurations, an untrusted FTP server to cause the proxy to open a data connection to an arbitrary third-party host via a crafted PASV response.\n\nUsers are recommended to upgrade to version 2.4.69, which fixes this issue.(CVE-2026-63045)\n\nStack-based buffer overflow in mod_vhost_alias in Apache Software Foundation Apache HTTP Server through 2.4.68 on all platforms allows a remote client to cause a denial of service or potentially execute arbitrary code via an HTTP request with a Host header exceeding 8192 bytes when VirtualDocumentRoot uses a hostname format specifier and LimitRequestFieldSize is raised above the default.\n\nUsers are recommended to upgrade to version 2.4.69, which fixes this issue.(CVE-2026-63292)\n\nA NULL pointer dereference in mod_xml2enc in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an untrusted backend server to cause a denial of service via a proxied response with a charset whose conversion partially succeeds then fails.\n\nUsers are recommended to upgrade to version 2.4.69, which fixes this issue.(CVE-2026-63686)\n\nInconsistent Interpretation of HTTP Requests (\u0026apos;HTTP Request/Response Smuggling\u0026apos;) response smuggling vulnerability in Apache HTTP Server via mod_proxy_uwsgi and a crafted uwsgi response with Transfer-Encoding.\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.30 through 2.4.68.(CVE-2026-63718)\n\nPath equivalence: \u0026apos;/./\u0026apos; (single dot directory) vulnerability in Apache HTTP Server\u0026apos;s mod_userdir module when configured with absolute non-wildcard UserDir directive (the 2nd form in https://httpd.apache.org/docs/2.4/mod/mod_userdir.html#userdir)\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-79768)\n\nInteger overflow in mod_dav_fs in Apache HTTP Server through 2.4.68 allows an authenticated WebDAV client with write access to crash worker processes and persistently corrupt a directory\u0026apos;s property database via PROPPATCH requests declaring many XML namespaces.(CVE-2026-93546)","status":"published","published":"2026-10-22T14:35:27Z","modified":"2026-10-22T14:45:09.846721531Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:47.981622Z"},{"id":"OESA-2026-4467","title":"httpd security update","description":"Apache HTTP Server is a powerful and flexible HTTP/1.1 compliant web server.\r\n\r\nSecurity Fix(es):\n\nA memory calculation bug in mod_dav in Apache httpd 2.4.67 and earlier allows an attacker with permission to create WebDAV locks to crash server child processes.\n\nUsers are recommended to upgrade to version 2.4.69, which fixes this issue(CVE-2026-42528)\n\nNULL Pointer Dereference vulnerability in Apache HTTP Servers mod_heartmonitor over unicast listener.\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-46729)\n\nExposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache HTTP Server\u0026apos;s mod_session_cookie module.\n\n\n\n   \nWhen SessionCookieRemove changes across internal redirects, the session cookie may still be passed to a backend server.\n\n\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-47360)\n\nOut-of-bounds Write vulnerability in Apache HTTP Server\u0026apos;s mod_charset_lite.\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-56153)\n\nUse After Free vulnerability in Apache HTTP Server\u0026apos;s mod_rewrite when using lookahead (%{LA-U:HTTP:...})\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-56154)\n\nUse After Free vulnerability in Apache HTTP Server\u0026apos;s mod_http2 via shared session-\u0026gt;bbtmp re-entrancy\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-57941)\n\nInternal state files accessible to external parties in mod_dav_fs in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows a remote client to read WebDAV dead properties of resources it cannot author via a GET request for the .DAV state directory\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-58415)\n\nOut-of-bounds Write vulnerability in Apache HTTP Server on Windows while processing paths with 8.3 names that may grow when expanded.\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-59685)\n\nImproper Privilege Management vulnerability in Apache HTTP Server\u0026apos;s mod_ssl via SSLRequire and file-related expressions.\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-59797)\n\nImproper validation of FTP PASV reply address in mod_proxy_ftp in Apache Software Foundation Apache HTTP Server through 2.4.68 on all platforms allows, in forward proxy configurations, an untrusted FTP server to cause the proxy to open a data connection to an arbitrary third-party host via a crafted PASV response.\n\nUsers are recommended to upgrade to version 2.4.69, which fixes this issue.(CVE-2026-63045)\n\nStack-based buffer overflow in mod_vhost_alias in Apache Software Foundation Apache HTTP Server through 2.4.68 on all platforms allows a remote client to cause a denial of service or potentially execute arbitrary code via an HTTP request with a Host header exceeding 8192 bytes when VirtualDocumentRoot uses a hostname format specifier and LimitRequestFieldSize is raised above the default.\n\nUsers are recommended to upgrade to version 2.4.69, which fixes this issue.(CVE-2026-63292)\n\nA NULL pointer dereference in mod_xml2enc in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an untrusted backend server to cause a denial of service via a proxied response with a charset whose conversion partially succeeds then fails.\n\nUsers are recommended to upgrade to version 2.4.69, which fixes this issue.(CVE-2026-63686)\n\nInconsistent Interpretation of HTTP Requests (\u0026apos;HTTP Request/Response Smuggling\u0026apos;) response smuggling vulnerability in Apache HTTP Server via mod_proxy_uwsgi and a crafted uwsgi response with Transfer-Encoding.\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.30 through 2.4.68.(CVE-2026-63718)\n\nPath equivalence: \u0026apos;/./\u0026apos; (single dot directory) vulnerability in Apache HTTP Server\u0026apos;s mod_userdir module when configured with absolute non-wildcard UserDir directive (the 2nd form in https://httpd.apache.org/docs/2.4/mod/mod_userdir.html#userdir)\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.(CVE-2026-79768)\n\nInteger overflow in mod_dav_fs in Apache HTTP Server through 2.4.68 allows an authenticated WebDAV client with write access to crash worker processes and persistently corrupt a directory\u0026apos;s property database via PROPPATCH requests declaring many XML namespaces.(CVE-2026-93546)","status":"published","published":"2026-10-22T14:35:28Z","modified":"2026-10-22T14:45:10.486589641Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:47.981622Z"},{"id":"RHSA-2026:74858","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update","status":"published","published":"2026-10-03T10:16:58Z","modified":"2026-10-15T10:26:57Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:22.928316Z"},{"id":"UBUNTU-CVE-2026-57941","description":"Use After Free vulnerability in Apache HTTP Server's mod_http2 via shared session-\u003ebbtmp re-entrancy This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.","status":"published","published":"2026-10-01T17:17:00Z","modified":"2026-11-10T02:50:50.356130337Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-10T03:19:41.15403Z"},{"id":"AZL-106074","title":"CVE-2026-57941 affecting package mod_http2 2.0.29-3","description":"Use After Free vulnerability in Apache HTTP Server's mod_http2 via shared session-\u003ebbtmp re-entrancy\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.","status":"published","published":"2026-10-01T17:17:27Z","modified":"2026-11-05T05:36:30Z","updated_at":"2026-11-05T16:41:17.719431Z"},{"id":"AZL-106482","title":"CVE-2026-57941 affecting package httpd for versions less than 2.4.69-1","description":"Use After Free vulnerability in Apache HTTP Server's mod_http2 via shared session-\u003ebbtmp re-entrancy\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.","status":"published","published":"2026-10-01T17:17:27Z","modified":"2026-11-02T14:17:25.837120467Z","updated_at":"2026-11-02T15:28:01.408755Z"},{"id":"BIT-apache-2026-57941","title":"Apache HTTP Server: mod_http2 use-after-free / wild write via shared session-\u003ebbtmp re-entrancy","description":"Use After Free vulnerability in Apache HTTP Server's mod_http2 via shared session-\u003ebbtmp re-entrancy\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.","status":"published","published":"2026-10-06T11:40:54.676Z","modified":"2026-10-06T15:15:05.03300323Z","updated_at":"2026-11-02T15:28:28.267217Z"},{"id":"CLSA-2026-1791447288","title":"Fix of 5 CVEs","description":"   * SECURITY UPDATE: out-of-bounds write in mod_charset_lite\n     - debian/patches/CVE-2026-56153.patch: in finish_partial_char() in\n       modules/filters/mod_charset_lite.c, stop accumulating a split\n       multibyte character once ctx-\u003esaved reaches the size of ctx-\u003ebuf so\n       the next byte can no longer be written past the 8-byte buffer.\n       Backported from httpd commit 6654234dcb395e07fd62255670356f84ec733195\n       (SVN r1938658).\n     - CVE-2026-56153\n   * SECURITY UPDATE: use-after-free in mod_rewrite lookahead variables\n     - debian/patches/CVE-2026-56154.patch: in lookup_variable() in\n       modules/mappers/mod_rewrite.c, copy ctx-\u003evary_this into the main\n       request pool after an LA-U/LA-F lookahead sub-request so the Vary\n       header name no longer points into the destroyed sub-request pool.\n       Backported from httpd commit 6e4d1e614597109909dda495d235b6a1331d7beb\n       (SVN r1938660).\n     - CVE-2026-56154\n   * SECURITY UPDATE: out-of-bounds write in mod_proxy_html\n     - debian/patches/CVE-2026-56449.patch: in pcomment() in\n       modules/filters/mod_proxy_html.c, do not call dump_content() after\n       writing an HTML comment so crafted response bodies can no longer\n       trigger a write outside the output buffer. Backported from httpd\n       commit c721d4e1cf5c142149509490015cef1a75715595 (SVN r1935931).\n     - CVE-2026-56449\n   * SECURITY UPDATE: stack-based buffer overflow in mod_vhost_alias\n     - debian/patches/CVE-2026-63292.patch: in vhost_alias_checkspace()\n       and vhost_alias_interpolate() in modules/mappers/mod_vhost_alias.c,\n       reject a single expanded segment (e.g. a Host header) of\n       HUGE_STRING_LEN bytes or more with 414 instead of writing past the\n       stack buffer. Backported from httpd commit\n       7ed3f91688b7a1e1ac48486fd2e5eeb2932e879f (SVN r1938675).\n     - CVE-2026-63292\n   * SECURITY UPDATE: use-after-free in mod_http2 via session-\u003ebbtmp\n     - debian/patches/CVE-2026-57941.patch: in modules/http2/h2_session.c,\n       h2_c1_io.c and h2_mplx.c, use a per-call brigade instead of the\n       shared session-\u003ebbtmp in on_send_data_cb() and ev_stream_closed(),\n       remove buckets before feeding them, guard stream cleanup against\n       re-entrancy with in_stream_cleanup/mplx_cleanup_done, and allocate\n       the input/output iqueues from a separate pool. Backported from\n       httpd commit d072ed8f06d66a30072227d61a2fc04ad9ae5c99\n       (SVN r1938665).\n     - CVE-2026-57941","status":"published","published":"2026-10-08T08:15:07Z","modified":"2026-10-26T09:43:41.276393626Z","updated_at":"2026-11-02T15:43:49.016976Z"},{"id":"CLSA-2026-1791482084","title":"Fix of 7 CVEs","description":"   * SECURITY UPDATE: mod_charset_lite: heap overflow in finish_partial_char\n     - debian/patches/CVE-2026-56153.patch: mod_charset_lite: heap overflow in finish_partial_char\n     - CVE-2026-56153\n   * SECURITY UPDATE: mod_heartmonitor: NULL pointer dereference on malformed heartbeat\n     - debian/patches/CVE-2026-46729.patch: mod_heartmonitor: NULL pointer dereference on malformed heartbeat\n     - CVE-2026-46729\n   * SECURITY UPDATE: mod_rewrite: use-after-free via LA-U lookahead variables\n     - debian/patches/CVE-2026-56154.patch: mod_rewrite: use-after-free via LA-U lookahead variables\n     - CVE-2026-56154\n   * SECURITY UPDATE: mod_proxy_html: out-of-bounds write in dump_content\n     - debian/patches/CVE-2026-56449.patch: mod_proxy_html: out-of-bounds write in dump_content\n     - CVE-2026-56449\n   * SECURITY UPDATE: mod_vhost_alias: stack overflow with oversized Host header\n     - debian/patches/CVE-2026-63292.patch: mod_vhost_alias: stack overflow with oversized Host header\n     - CVE-2026-63292\n   * SECURITY UPDATE: mod_proxy_uwsgi: response smuggling via Transfer-Encoding\n     - debian/patches/CVE-2026-63718.patch: mod_proxy_uwsgi: response smuggling via Transfer-Encoding\n     - CVE-2026-63718\n   * SECURITY UPDATE: mod_http2: use-after-free via shared session bbtmp re-entrancy\n     - debian/patches/CVE-2026-57941.patch: mod_http2: use-after-free via shared session bbtmp re-entrancy\n     - CVE-2026-57941","status":"published","published":"2026-10-08T23:17:53Z","modified":"2026-10-26T09:43:46.125847182Z","updated_at":"2026-11-02T15:43:49.016976Z"},{"id":"CLSA-2026-1791564334","title":"Fix CVE(s): CVE-2026-57941","description":"   * SECURITY UPDATE: use-after-free in mod_http2 via shared session-\u003ebbtmp\n     - debian/patches/CVE-2026-57941.patch: use a per-call brigade instead\n       of the shared session-\u003ebbtmp in on_send_data_cb() and\n       ev_stream_closed(), and skip streams already in cleanup state in\n       rst_unprocessed_stream() and on_stream_close_cb() in\n       modules/http2/h2_session.c.\n     - CVE-2026-57941","status":"published","published":"2026-10-09T16:45:46Z","modified":"2026-10-26T09:32:04.420226189Z","updated_at":"2026-11-02T15:43:50.599064Z"},{"id":"MGASA-2026-0502","title":"Updated apache package fixes security vulnerabilities","description":"Limited RCE for some internal redirects to non-CGI files in CGI\ndirectories. (CVE-2026-42356)\nmod_dav shared lock overflow. (CVE-2026-42528)\nmod_heartmonitor denial of service. (CVE-2026-46729)\nmod_session: Session cookie not removed during internal redirect.\n(CVE-2026-47360)\nmod_auth_digest reauthentication attack. (CVE-2026-48005)\nmod_charset_lite: Heap overflow in finish_partial_char. (CVE-2026-56153)\nmod_rewrite use-after-free via %{LA-U:HTTP:...}. (CVE-2026-56154)\nmod_proxy_html: crash in dump_content. (CVE-2026-56449)\nmod_http2 use-after-free / wild write via shared session-\u003ebbtmp\nre-entrancy. (CVE-2026-57941)\nmod_dav_fs property database read access. (CVE-2026-58415)\nOut-of-Bounds Write in ap_directory_walk() Canonical-Name Rewrite on\nCASE_BLIND_FILESYSTEM. (CVE-2026-59685)\nmod_ssl SSLRequire allows .htaccess ap_expr file-function.\n(CVE-2026-59797)\nmod_proxy_ftp PASV address handling. (CVE-2026-63045)\nmod_vhost_alias stack overflow. (CVE-2026-63292)\nmod_xml2enc crash on charset conversion failure. (CVE-2026-63686)\nmod_proxy_uwsgi Transfer-Encoding response smuggling. (CVE-2026-63718)\nmod_auth_digest one-time-nonce replay attack. (CVE-2026-73636)\nmod_auth_digest DoS attack. (CVE-2026-73637)\nmod_userdir information disclosure. (CVE-2026-79768)\nmod_dav_fs namespace overflow. (CVE-2026-93546)\n","status":"published","published":"2026-10-14T02:42:28Z","modified":"2026-10-14T02:45:03.446097521Z","updated_at":"2026-11-02T15:49:43.795591Z"},{"id":"ROOT-OS-DEBIAN-12-CVE-2026-57941","title":"CVE-2026-57941 in apache2 - Patched by Root","description":"Root has patched CVE-2026-57941 in the apache2 package for Root:Debian:12. Multiple fixed versions available.","status":"published","published":"2026-10-20T04:28:23Z","modified":"2026-10-20T05:15:04.304654408Z","updated_at":"2026-11-02T15:53:32.570806Z"},{"id":"SUSE-SU-2026:5075-1","title":"Security update for apache2","description":"This update for apache2 fixes the following issues:\n\n- CVE-2026-42356: deployment of wrong handler allows target of internal redirects from CGI programs to also be treated\n  as CGI and executed (bsc#1284043).\n- CVE-2026-42528: memory calculation bug in `mod_dav` allows an attacker with permission to create WebDAV locks to crash\n  server child processes (bsc#1284044).\n- CVE-2026-46729: NULL pointer dereference in `mod_heartmonitor` over unicast listener (bsc#1284045).\n- CVE-2026-47360: session cookie passed to a backend server when `SessionCookieRemove` changes across internal redirects\n  (bsc#1284046).\n- CVE-2026-48005: missing authentication checks in `mod_auth_digest` allows an unauthenticated remote client to cause a\n  DoS via forged `Authorization` headers when Digest authentication is enabled with `AuthDigestNcCheck` (bsc#1284047).\n- CVE-2026-56153: out-of-bounds write in `mod_charset_lite` (bsc#1284048).\n- CVE-2026-56154: use-after-free in `mod_rewrite` when using lookahead `(%{LA-U:HTTP:...})` (bsc#1284049).\n- CVE-2026-57941: use-after-free in `mod_http2` via shared `session-\u003ebbtmp` re-entrancy (bsc#1284050).\n- CVE-2026-58415: internal state files accessible to external parties in `mod_dav_fs` allows a remote client to read\n  WebDAV dead properties of resources it cannot author via a GET request for the .DAV state directory (bsc#1284051).\n- CVE-2026-59797: improper privilege management in `mod_ssl` when using `SSLRequire` and file-related expressions\n  (bsc#1284059).\n- CVE-2026-63045: improper validation of FTP PASV reply address in `mod_proxy_ftp` allows an untrusted FTP server to\n  cause a proxy to open a data connection to an arbitrary third-party host (bsc#1284060).\n- CVE-2026-63292: stack-based buffer overflow in `mod_vhost_alias` allows a remote client to cause a DoS or potentially\n  execute arbitrary code via an HTTP request with a specially crafted `Host` header (bsc#1284061).\n- CVE-2026-63686: NULL pointer dereference in `mod_xml2enc` allows an untrusted backend server to cause a denial of\n  service via a crafted proxied response (bsc#1284058).\n- CVE-2026-63718: inconsistent interpretation of HTTP requests in `mod_proxy_uwsgi` allows for response smuggling via a\n  crafted uwsgi response with `Transfer-Encoding` (bsc#1284057).\n- CVE-2026-73636: authentication bypass by capture-replay in `mod_auth_digest` allows a MiTM attacker to replay captured\n  digest authentication credentials via crafted requests (bsc#1284056).\n- CVE-2026-73637: use-after-free in `mod_auth_digest` allows an unauthenticated remote client to cause authentication\n  state corruption via concurrent Digest authentication requests (bsc#1284055).\n- CVE-2026-79768: path equivalence issue in the `mod_userdir` module when configured with absolute non-wildcard\n  `UserDir` directive (bsc#1284054).\n- CVE-2026-93546: integer overflow in `mod_dav_fs` allows an authenticated WebDAV client with write access to crash\n  worker processes and persistently corrupt a directory's property database (bsc#1284053).\n","status":"published","published":"2026-11-03T08:18:31Z","modified":"2026-11-03T22:45:05.208191445Z","updated_at":"2026-11-03T22:59:30.419462Z"},{"id":"SUSE-SU-2026:5076-1","title":"Security update for apache2","description":"This update for apache2 fixes the following issues:\n\n- CVE-2026-42356: deployment of wrong handler allows target of internal redirects from CGI programs to also be treated\n  as CGI and executed (bsc#1284043).\n- CVE-2026-42528: memory calculation bug in `mod_dav` allows an attacker with permission to create WebDAV locks to crash\n  server child processes (bsc#1284044).\n- CVE-2026-46729: NULL pointer dereference in `mod_heartmonitor` over unicast listener (bsc#1284045).\n- CVE-2026-47360: session cookie passed to a backend server when `SessionCookieRemove` changes across internal redirects\n  (bsc#1284046).\n- CVE-2026-48005: missing authentication checks in `mod_auth_digest` allows an unauthenticated remote client to cause a\n  DoS via forged `Authorization` headers when Digest authentication is enabled with `AuthDigestNcCheck` (bsc#1284047).\n- CVE-2026-56153: out-of-bounds write in `mod_charset_lite` (bsc#1284048).\n- CVE-2026-56154: use-after-free in `mod_rewrite` when using lookahead `(%{LA-U:HTTP:...})` (bsc#1284049).\n- CVE-2026-57941: use-after-free in `mod_http2` via shared `session-\u003ebbtmp` re-entrancy (bsc#1284050).\n- CVE-2026-58415: internal state files accessible to external parties in `mod_dav_fs` allows a remote client to read\n  WebDAV dead properties of resources it cannot author via a GET request for the .DAV state directory (bsc#1284051).\n- CVE-2026-59797: improper privilege management in `mod_ssl` when using `SSLRequire` and file-related expressions\n  (bsc#1284059).\n- CVE-2026-63045: improper validation of FTP PASV reply address in `mod_proxy_ftp` allows an untrusted FTP server to\n  cause a proxy to open a data connection to an arbitrary third-party host (bsc#1284060).\n- CVE-2026-63292: stack-based buffer overflow in `mod_vhost_alias` allows a remote client to cause a DoS or potentially\n  execute arbitrary code via an HTTP request with a specially crafted `Host` header (bsc#1284061).\n- CVE-2026-63686: NULL pointer dereference in `mod_xml2enc` allows an untrusted backend server to cause a denial of\n  service via a crafted proxied response (bsc#1284058).\n- CVE-2026-63718: inconsistent interpretation of HTTP requests in `mod_proxy_uwsgi` allows for response smuggling via a\n  crafted uwsgi response with `Transfer-Encoding` (bsc#1284057).\n- CVE-2026-73636: authentication bypass by capture-replay in `mod_auth_digest` allows a MiTM attacker to replay captured\n  digest authentication credentials via crafted requests (bsc#1284056).\n- CVE-2026-73637: use-after-free in `mod_auth_digest` allows an unauthenticated remote client to cause authentication\n  state corruption via concurrent Digest authentication requests (bsc#1284055).\n- CVE-2026-79768: path equivalence issue in the `mod_userdir` module when configured with absolute non-wildcard\n  `UserDir` directive (bsc#1284054).\n- CVE-2026-93546: integer overflow in `mod_dav_fs` allows an authenticated WebDAV client with write access to crash\n  worker processes and persistently corrupt a directory's property database (bsc#1284053).\n","status":"published","published":"2026-11-03T08:19:40Z","modified":"2026-11-03T22:45:04.218266884Z","updated_at":"2026-11-03T22:59:30.419462Z"},{"id":"SUSE-SU-2026:5077-1","title":"Security update for apache2","description":"This update for apache2 fixes the following issues:\n\n- CVE-2026-42356: deployment of wrong handler allows target of internal redirects from CGI programs to also be treated\n  as CGI and executed (bsc#1284043).\n- CVE-2026-42528: memory calculation bug in `mod_dav` allows an attacker with permission to create WebDAV locks to crash\n  server child processes (bsc#1284044).\n- CVE-2026-46729: NULL pointer dereference in `mod_heartmonitor` over unicast listener (bsc#1284045).\n- CVE-2026-47360: session cookie passed to a backend server when `SessionCookieRemove` changes across internal redirects\n  (bsc#1284046).\n- CVE-2026-48005: missing authentication checks in `mod_auth_digest` allows an unauthenticated remote client to cause a\n  DoS via forged `Authorization` headers when Digest authentication is enabled with `AuthDigestNcCheck` (bsc#1284047).\n- CVE-2026-56153: out-of-bounds write in `mod_charset_lite` (bsc#1284048).\n- CVE-2026-56154: use-after-free in `mod_rewrite` when using lookahead `(%{LA-U:HTTP:...})` (bsc#1284049).\n- CVE-2026-57941: use-after-free in `mod_http2` via shared `session-\u003ebbtmp` re-entrancy (bsc#1284050).\n- CVE-2026-58415: internal state files accessible to external parties in `mod_dav_fs` allows a remote client to read\n  WebDAV dead properties of resources it cannot author via a GET request for the .DAV state directory (bsc#1284051).\n- CVE-2026-59797: improper privilege management in `mod_ssl` when using `SSLRequire` and file-related expressions\n  (bsc#1284059).\n- CVE-2026-63045: improper validation of FTP PASV reply address in `mod_proxy_ftp` allows an untrusted FTP server to\n  cause a proxy to open a data connection to an arbitrary third-party host (bsc#1284060).\n- CVE-2026-63292: stack-based buffer overflow in `mod_vhost_alias` allows a remote client to cause a DoS or potentially\n  execute arbitrary code via an HTTP request with a specially crafted `Host` header (bsc#1284061).\n- CVE-2026-63686: NULL pointer dereference in `mod_xml2enc` allows an untrusted backend server to cause a denial of\n  service via a crafted proxied response (bsc#1284058).\n- CVE-2026-63718: inconsistent interpretation of HTTP requests in `mod_proxy_uwsgi` allows for response smuggling via a\n  crafted uwsgi response with `Transfer-Encoding` (bsc#1284057).\n- CVE-2026-73636: authentication bypass by capture-replay in `mod_auth_digest` allows a MiTM attacker to replay captured\n  digest authentication credentials via crafted requests (bsc#1284056).\n- CVE-2026-73637: use-after-free in `mod_auth_digest` allows an unauthenticated remote client to cause authentication\n  state corruption via concurrent Digest authentication requests (bsc#1284055).\n- CVE-2026-79768: path equivalence issue in the `mod_userdir` module when configured with absolute non-wildcard\n  `UserDir` directive (bsc#1284054).\n- CVE-2026-93546: integer overflow in `mod_dav_fs` allows an authenticated WebDAV client with write access to crash\n  worker processes and persistently corrupt a directory's property database (bsc#1284053).\n","status":"published","published":"2026-11-03T08:20:22Z","modified":"2026-11-03T22:45:04.218339494Z","updated_at":"2026-11-03T22:59:30.419462Z"},{"id":"SUSE-SU-2026:5099-1","title":"Security update for apache2","description":"This update for apache2 fixes the following issues:\n\n- CVE-2026-42356: deployment of wrong handler allows target of internal redirects from CGI programs to also be treated\n  as CGI and executed (bsc#1284043).\n- CVE-2026-42528: memory calculation bug in `mod_dav` allows an attacker with permission to create WebDAV locks to crash\n  server child processes (bsc#1284044).\n- CVE-2026-46729: NULL pointer dereference in `mod_heartmonitor` over unicast listener (bsc#1284045).\n- CVE-2026-47360: session cookie passed to a backend server when `SessionCookieRemove` changes across internal redirects\n  (bsc#1284046).\n- CVE-2026-48005: missing authentication checks in `mod_auth_digest` allows an unauthenticated remote client to cause a\n  DoS via forged `Authorization` headers when Digest authentication is enabled with `AuthDigestNcCheck` (bsc#1284047).\n- CVE-2026-56153: out-of-bounds write in `mod_charset_lite` (bsc#1284048).\n- CVE-2026-56154: use-after-free in `mod_rewrite` when using lookahead `(%{LA-U:HTTP:...})` (bsc#1284049).\n- CVE-2026-57941: use-after-free in `mod_http2` via shared `session-\u003ebbtmp` re-entrancy (bsc#1284050).\n- CVE-2026-58415: internal state files accessible to external parties in `mod_dav_fs` allows a remote client to read\n  WebDAV dead properties of resources it cannot author via a GET request for the .DAV state directory (bsc#1284051).\n- CVE-2026-59797: improper privilege management in `mod_ssl` when using `SSLRequire` and file-related expressions\n  (bsc#1284059).\n- CVE-2026-63045: improper validation of FTP PASV reply address in `mod_proxy_ftp` allows an untrusted FTP server to\n  cause a proxy to open a data connection to an arbitrary third-party host (bsc#1284060).\n- CVE-2026-63292: stack-based buffer overflow in `mod_vhost_alias` allows a remote client to cause a DoS or potentially\n  execute arbitrary code via an HTTP request with a specially crafted `Host` header (bsc#1284061).\n- CVE-2026-63686: NULL pointer dereference in `mod_xml2enc` allows an untrusted backend server to cause a denial of\n  service via a crafted proxied response (bsc#1284058).\n- CVE-2026-63718: inconsistent interpretation of HTTP requests in `mod_proxy_uwsgi` allows for response smuggling via a\n  crafted uwsgi response with `Transfer-Encoding` (bsc#1284057).\n- CVE-2026-73636: authentication bypass by capture-replay in `mod_auth_digest` allows a MiTM attacker to replay captured\n  digest authentication credentials via crafted requests (bsc#1284056).\n- CVE-2026-73637: use-after-free in `mod_auth_digest` allows an unauthenticated remote client to cause authentication\n  state corruption via concurrent Digest authentication requests (bsc#1284055).\n- CVE-2026-79768: path equivalence issue in the `mod_userdir` module when configured with absolute non-wildcard\n  `UserDir` directive (bsc#1284054).\n- CVE-2026-93546: integer overflow in `mod_dav_fs` allows an authenticated WebDAV client with write access to crash\n  worker processes and persistently corrupt a directory's property database (bsc#1284053).\n","status":"published","published":"2026-11-04T17:55:14Z","modified":"2026-11-05T13:15:07.548906216Z","updated_at":"2026-11-05T13:30:00.949926Z"},{"id":"USN-8898-1","title":"apache2 vulnerabilities","description":"It was discovered that Apache HTTP Server's mod_rewrite module incorrectly\nhandled memory when performing certain variable lookups. A remote attacker\ncould possibly use this issue to cause a denial of service or execute\narbitrary code. (CVE-2026-56154)\n\nLucian Nitescu, Simon Kappel, and Gianluca Danesin discovered that Apache\nHTTP Server's mod_http2 module incorrectly handled memory when processing\ncertain HTTP/2 connections. A remote attacker could possibly use this issue\nto cause a denial of service or execute arbitrary code. This issue only\naffected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04\nLTS, and Ubuntu 26.04 LTS. (CVE-2026-57941)\n\nJuthawong Naisanguansee, Charles Vosburgh, Mike Read, and Ryoma Nishioka\ndiscovered that Apache HTTP Server's mod_ssl module incorrectly handled\ncertain expressions. An attacker could possibly use this issue to bypass\nintended access restrictions. (CVE-2026-59797)","status":"published","published":"2026-10-07T17:35:35Z","modified":"2026-10-09T01:57:54.909058447Z","updated_at":"2026-11-02T16:58:26.907654Z"}]}}