{"id":"CVE-2026-102555","aliases":["ALSA-2026:83618","AZL-105552","CLSA-2026-1792599160","CLSA-2026-1792600325","DEBIAN-CVE-2026-102555","EUVD-2026-89102","GHSA-vfxx-hcqj-vrh4","RHSA-2026:83618","ROOT-OS-DEBIAN-13-CVE-2026-102555","SUSE-SU-2026:24368-1","SUSE-SU-2026:24470-1","SUSE-SU-2026:4616-1","SUSE-SU-2026:4631-1","UBUNTU-CVE-2026-102555","USN-8975-1","openSUSE-SU-2026:22181-1"],"status":"published","title":"Libsoup: libsoup: heap buffer overflow via uninitialized length in data-uri base64 decoding","description":"A flaw was found in libsoup. The soup_uri_decode_data_uri() function incorrectly treated base64 data-URI payloads as NUL-terminated strings when calling g_base64_decode_inplace(). If the percent-decoded payload contained embedded NUL bytes, the decoded length could remain uninitialized and be used as the size of the returned GBytes. This can lead to an out-of-bounds read or application crash when processing a crafted data URI.","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00479,"percentile":0.41864,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125"],"published":"2026-09-29T17:15:14Z","modified":"2026-11-12T02:46:38Z","fixes":[{"ecosystem":"Azure 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The soup_uri_decode_data_uri() function incorrectly treated base64 data-URI payloads as NUL-terminated strings when calling g_base64_decode_inplace(). If the percent-decoded payload contained embedded NUL bytes, the decoded length could remain uninitialized and be used as the size of the returned GBytes. This can lead to an out-of-bounds read or application crash when processing a crafted data URI.","status":"published","published":"2026-09-29T17:15:14.482Z","modified":"2026-11-11T12:48:19.549Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-11T13:28:04.456673Z"}],"euvd":[{"id":"EUVD-2026-89102","description":"A flaw was found in libsoup. The soup_uri_decode_data_uri() function incorrectly treated base64 data-URI payloads as NUL-terminated strings when calling g_base64_decode_inplace(). If the percent-decoded payload contained embedded NUL bytes, the decoded length could remain uninitialized and be used as the size of the returned GBytes. This can lead to an out-of-bounds read or application crash when processing a crafted data URI.","status":"published","published":"2026-09-29T17:15:14Z","modified":"2026-11-11T12:48:19Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high"}],"updated_at":"2026-11-11T14:28:59.314266Z"}],"ghsa":[{"id":"GHSA-vfxx-hcqj-vrh4","title":"A flaw was found in libsoup. The soup_uri_decode_data_uri() function incorrectly treated base64...","description":"A flaw was found in libsoup. The soup_uri_decode_data_uri() function incorrectly treated base64 data-URI payloads as NUL-terminated strings when calling g_base64_decode_inplace(). If the percent-decoded payload contained embedded NUL bytes, the decoded length could remain uninitialized and be used as the size of the returned GBytes. This can lead to an out-of-bounds read or application crash when processing a crafted data URI.","status":"published","published":"2026-09-29T18:31:58Z","modified":"2026-11-11T15:31:49Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high"}],"cwes":["CWE-125"],"updated_at":"2026-11-11T15:34:48.112751Z"}],"nvd":[{"id":"CVE-2026-102555","description":"A flaw was found in libsoup. The soup_uri_decode_data_uri() function incorrectly treated base64 data-URI payloads as NUL-terminated strings when calling g_base64_decode_inplace(). If the percent-decoded payload contained embedded NUL bytes, the decoded length could remain uninitialized and be used as the size of the returned GBytes. This can lead to an out-of-bounds read or application crash when processing a crafted data URI.","status":"published","published":"2026-09-29T18:17:07.977Z","modified":"2026-11-11T13:17:11.413Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-11T15:25:15.031694Z"}],"osv":[{"id":"CVE-2026-102555","title":"Libsoup: libsoup: heap buffer overflow via uninitialized length in data-uri base64 decoding","description":"A flaw was found in libsoup. The soup_uri_decode_data_uri() function incorrectly treated base64 data-URI payloads as NUL-terminated strings when calling g_base64_decode_inplace(). If the percent-decoded payload contained embedded NUL bytes, the decoded length could remain uninitialized and be used as the size of the returned GBytes. This can lead to an out-of-bounds read or application crash when processing a crafted data URI.","status":"published","published":"2026-09-29T17:15:14.482Z","modified":"2026-11-12T02:46:38.78559544Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high"}],"cwes":["CWE-125"],"updated_at":"2026-11-12T02:58:48.611889Z"},{"id":"DEBIAN-CVE-2026-102555","description":"A flaw was found in libsoup. The soup_uri_decode_data_uri() function incorrectly treated base64 data-URI payloads as NUL-terminated strings when calling g_base64_decode_inplace(). If the percent-decoded payload contained embedded NUL bytes, the decoded length could remain uninitialized and be used as the size of the returned GBytes. This can lead to an out-of-bounds read or application crash when processing a crafted data URI.","status":"published","published":"2026-09-29T18:17:07.977Z","modified":"2026-11-12T09:47:39.398748543Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high"}],"updated_at":"2026-11-12T10:16:18.390123Z"},{"id":"RHSA-2026:83618","title":"Red Hat Security Advisory: libsoup3 security update","status":"published","published":"2026-10-16T10:27:35Z","modified":"2026-10-20T10:17:19Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:23.547034Z"},{"id":"UBUNTU-CVE-2026-102555","description":"A flaw was found in libsoup. The soup_uri_decode_data_uri() function incorrectly treated base64 data-URI payloads as NUL-terminated strings when calling g_base64_decode_inplace(). If the percent-decoded payload contained embedded NUL bytes, the decoded length could remain uninitialized and be used as the size of the returned GBytes. This can lead to an out-of-bounds read or application crash when processing a crafted data URI.","status":"published","published":"2026-09-29T18:17:00Z","modified":"2026-11-04T03:30:16.672627421Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high"}],"updated_at":"2026-11-04T03:56:39.110241Z"},{"id":"ALSA-2026:83618","title":"Important: libsoup3 security update","description":"Libsoup is an HTTP library implementation in C. It was originally part of a SOAP (Simple Object Access Protocol) implementation called Soup, but the SOAP and non-SOAP parts have now been split into separate packages. libsoup uses the Glib main loop and is designed to work well with GTK applications. This enables GNOME applications to access HTTP servers on the network in a completely asynchronous fashion, very similar to the Gtk+ programming model (a synchronous operation mode is also supported for those who want it), but the SOAP parts were removed long ago.  \n\nSecurity Fix(es):  \n\n  * libsoup: libsoup: Heap buffer overflow via uninitialized length in data-URI base64 decoding (CVE-2026-102555)\n  * libsoup: libsoup: Heap buffer overflow from WebSocket Pong signal type confusion (CVE-2026-102556)\n  * libsoup: libsoup: Heap buffer overflow during WebSocket message reassembly (CVE-2026-102557)\n  * libsoup: libsoup: Heap buffer overflow during WebSocket receive-buffer growth (CVE-2026-102558)\n  * libsoup: libsoup: Heap buffer overflow during WebSocket client-frame masking (CVE-2026-102559)\n  * libsoup: libsoup: Heap buffer overflow during outgoing permessage-deflate buffer growth (CVE-2026-102560)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","status":"published","published":"2026-10-15T00:00:00Z","modified":"2026-10-29T11:31:00.404114768Z","updated_at":"2026-11-02T15:27:55.200553Z"},{"id":"AZL-105552","title":"CVE-2026-102555 affecting package libsoup for versions less than 3.4.4-18","description":"A flaw was found in libsoup. The soup_uri_decode_data_uri() function incorrectly treated base64 data-URI payloads as NUL-terminated strings when calling g_base64_decode_inplace(). If the percent-decoded payload contained embedded NUL bytes, the decoded length could remain uninitialized and be used as the size of the returned GBytes. This can lead to an out-of-bounds read or application crash when processing a crafted data URI.","status":"published","published":"2026-09-29T18:17:07Z","modified":"2026-11-05T05:40:51Z","updated_at":"2026-11-05T16:41:17.719431Z"},{"id":"CLSA-2026-1792599160","title":"libsoup: Fix of 6 CVEs","description":"- CVE-2026-102555: decode base64 data: URI content with g_base64_decode_step()\n  over the real buffer length in soup_request_data_send(), so a percent-encoded\n  NUL no longer truncates the payload, leaks the decode buffer and raises a\n  GLib-CRITICAL\n- CVE-2026-102556: emit the WebSocket ::pong signal with a GBytes, as the signal\n  and the public header have always declared, instead of a GByteArray, removing\n  the type confusion a crafted Pong frame could turn into heap corruption in any\n  handler that honours the documented API\n- CVE-2026-102557: cap a reassembled WebSocket message at what a GByteArray can\n  hold before each fragment is appended in process_contents(), so a run of\n  fragments can no longer truncate the guint size passed to\n  g_byte_array_sized_new()/g_byte_array_append() while the full length is used\n- CVE-2026-102558: reject an incoming frame whose declared payload exceeds what\n  the receive buffer can represent as soon as the header is parsed, so the\n  incoming GByteArray can no longer grow until g_byte_array_set_size() wraps and\n  the read writes past the allocation\n- CVE-2026-102559: reject an outgoing payload above MAX_OUTGOING_PAYLOAD_SIZE in\n  send_message(), both before and after extensions have processed it, so a\n  masked client frame can no longer be built in a truncated GByteArray while\n  xor_with_mask() writes the full payload length past the allocation\n- CVE-2026-102560: refuse an outgoing permessage-deflate payload whose\n  deflateBound() exceeds G_MAXUINT and bound every incremental buffer growth, so\n  a truncated bound can no longer let zlib write past the allocated GByteArray","status":"published","published":"2026-10-21T16:12:56Z","modified":"2026-10-26T09:31:01.469866188Z","updated_at":"2026-11-02T15:43:54.672859Z"},{"id":"CLSA-2026-1792600325","title":"libsoup: Fix of 6 CVEs","description":"- CVE-2026-102555: decode base64 data: URI content with g_base64_decode_step()\n  over the real buffer length in soup_request_data_send(), so a percent-encoded\n  NUL no longer truncates the payload, leaks the decode buffer and raises a\n  GLib-CRITICAL\n- CVE-2026-102556: emit the WebSocket ::pong signal with a GBytes, as the signal\n  and the public header have always declared, instead of a GByteArray, removing\n  the type confusion a crafted Pong frame could turn into heap corruption in any\n  handler that honours the documented API\n- CVE-2026-102557: cap a reassembled WebSocket message at what a GByteArray can\n  hold before each fragment is appended in process_contents(), so a run of\n  fragments can no longer truncate the guint size passed to\n  g_byte_array_sized_new()/g_byte_array_append() while the full length is used\n- CVE-2026-102558: reject an incoming frame whose declared payload exceeds what\n  the receive buffer can represent as soon as the header is parsed, so the\n  incoming GByteArray can no longer grow until g_byte_array_set_size() wraps and\n  the read writes past the allocation\n- CVE-2026-102559: reject an outgoing payload above MAX_OUTGOING_PAYLOAD_SIZE in\n  send_message(), both before and after extensions have processed it, so a\n  masked client frame can no longer be built in a truncated GByteArray while\n  xor_with_mask() writes the full payload length past the allocation\n- CVE-2026-102560: refuse an outgoing permessage-deflate payload whose\n  deflateBound() exceeds G_MAXUINT and bound every incremental buffer growth, so\n  a truncated bound can no longer let zlib write past the allocated GByteArray","status":"published","published":"2026-10-22T01:36:08Z","modified":"2026-10-26T09:31:36.615339652Z","updated_at":"2026-11-02T15:43:54.672859Z"},{"id":"openSUSE-SU-2026:22181-1","title":"Security update for libsoup","description":"This update for libsoup fixes the following issues:\n\n- CVE-2026-12547: Header \"Proxy-Authorization\" leads to credentials being send to different proxy after proxy switch\n  (bsc#1272195).\n- CVE-2026-12548: out-of-bounds read in multipart body parser due to an integer truncation (bsc#1272196).\n- CVE-2026-15711: SoupWebsocketConnection: WebSocket remote denial of service via oversized control frame protocol\n  violation (bsc#1271446).\n- CVE-2026-15712: SoupClientMessageIOHTTP2: HTTP/2 GOAWAY frame parsing heap buffer over-read via invalid NUL-\n  termination assumption (bsc#1271447).\n- CVE-2026-15713: SoupCache: libsoup: HTTP/2 frame window exhaustion remote denial of service via memory leak\n  (bsc#1271448).\n- CVE-2026-15714: SoupMultipartInputStream: libsoup: Out-of-bounds read in soup_multipart_input_stream_read_headers\n  via an oversized multipart boundary string (bsc#1271449).\n- CVE-2026-66339: proxy credentials leak to destination server via `Proxy-Authorization` header in CONNECT tunnels\n  (bsc#1273156).\n- CVE-2026-102555: Heap buffer overflow via uninitialized length in data-URI base64 decoding (bsc#1283299).\n- CVE-2026-102556: Heap buffer overflow from WebSocket Pong signal type confusion (bsc#1283300).\n- CVE-2026-102557: Heap buffer overflow during WebSocket message reassembly (bsc#1283301).\n- CVE-2026-102558: Heap buffer overflow during WebSocket receive-buffer growth (bsc#1283302).\n- CVE-2026-102559: Heap buffer overflow during WebSocket client-frame masking (bsc#1283303).\n- CVE-2026-102560: Heap buffer overflow during outgoing permessage-deflate buffer growth (bsc#1283304).\n- CVE-2026-103399: incomplete request body draining in HTTP/1.x early responses can allow HTTP request smuggling\n  (bsc#1283831).\n","status":"published","published":"2026-10-29T10:24:12Z","modified":"2026-10-31T18:00:09.296668455Z","updated_at":"2026-11-02T16:58:42.426393Z"},{"id":"ROOT-OS-DEBIAN-13-CVE-2026-102555","title":"CVE-2026-102555 in libsoup3 - Patched by Root","description":"Root has patched CVE-2026-102555 in the libsoup3 package for Root:Debian:13. Multiple fixed versions available.","status":"published","published":"2026-11-04T14:29:10Z","modified":"2026-11-04T15:15:09.402977397Z","updated_at":"2026-11-04T15:39:09.547857Z"},{"id":"SUSE-SU-2026:24368-1","title":"Security update for libsoup","description":"This update for libsoup fixes the following issues:\n\n- CVE-2026-12547: Header \"Proxy-Authorization\" leads to credentials being send to different proxy after proxy switch\n  (bsc#1272195).\n- CVE-2026-12548: out-of-bounds read in multipart body parser due to an integer truncation (bsc#1272196).\n- CVE-2026-15711: SoupWebsocketConnection: WebSocket remote denial of service via oversized control frame protocol\n  violation (bsc#1271446).\n- CVE-2026-15712: SoupClientMessageIOHTTP2: HTTP/2 GOAWAY frame parsing heap buffer over-read via invalid NUL-\n  termination assumption (bsc#1271447).\n- CVE-2026-15713: SoupCache: libsoup: HTTP/2 frame window exhaustion remote denial of service via memory leak\n  (bsc#1271448).\n- CVE-2026-15714: SoupMultipartInputStream: libsoup: Out-of-bounds read in soup_multipart_input_stream_read_headers\n  via an oversized multipart boundary string (bsc#1271449).\n- CVE-2026-66339: proxy credentials leak to destination server via `Proxy-Authorization` header in CONNECT tunnels\n  (bsc#1273156).\n- CVE-2026-102555: Heap buffer overflow via uninitialized length in data-URI base64 decoding (bsc#1283299).\n- CVE-2026-102556: Heap buffer overflow from WebSocket Pong signal type confusion (bsc#1283300).\n- CVE-2026-102557: Heap buffer overflow during WebSocket message reassembly (bsc#1283301).\n- CVE-2026-102558: Heap buffer overflow during WebSocket receive-buffer growth (bsc#1283302).\n- CVE-2026-102559: Heap buffer overflow during WebSocket client-frame masking (bsc#1283303).\n- CVE-2026-102560: Heap buffer overflow during outgoing permessage-deflate buffer growth (bsc#1283304).\n- CVE-2026-103399: incomplete request body draining in HTTP/1.x early responses can allow HTTP request smuggling\n  (bsc#1283831).\n","status":"published","published":"2026-10-21T08:56:44Z","modified":"2026-10-27T17:23:18.80097485Z","updated_at":"2026-11-02T15:54:04.519245Z"},{"id":"SUSE-SU-2026:24470-1","title":"Security update for libsoup","description":"This update for libsoup fixes the following issues:\n\n- CVE-2026-12547: Header \"Proxy-Authorization\" leads to credentials being send to different proxy after proxy switch\n  (bsc#1272195).\n- CVE-2026-12548: out-of-bounds read in multipart body parser due to an integer truncation (bsc#1272196).\n- CVE-2026-15711: SoupWebsocketConnection: WebSocket remote denial of service via oversized control frame protocol\n  violation (bsc#1271446).\n- CVE-2026-15712: SoupClientMessageIOHTTP2: HTTP/2 GOAWAY frame parsing heap buffer over-read via invalid NUL-\n  termination assumption (bsc#1271447).\n- CVE-2026-15713: SoupCache: libsoup: HTTP/2 frame window exhaustion remote denial of service via memory leak\n  (bsc#1271448).\n- CVE-2026-15714: SoupMultipartInputStream: libsoup: Out-of-bounds read in soup_multipart_input_stream_read_headers\n  via an oversized multipart boundary string (bsc#1271449).\n- CVE-2026-66339: proxy credentials leak to destination server via `Proxy-Authorization` header in CONNECT tunnels\n  (bsc#1273156).\n- CVE-2026-102555: Heap buffer overflow via uninitialized length in data-URI base64 decoding (bsc#1283299).\n- CVE-2026-102556: Heap buffer overflow from WebSocket Pong signal type confusion (bsc#1283300).\n- CVE-2026-102557: Heap buffer overflow during WebSocket message reassembly (bsc#1283301).\n- CVE-2026-102558: Heap buffer overflow during WebSocket receive-buffer growth (bsc#1283302).\n- CVE-2026-102559: Heap buffer overflow during WebSocket client-frame masking (bsc#1283303).\n- CVE-2026-102560: Heap buffer overflow during outgoing permessage-deflate buffer growth (bsc#1283304).\n- CVE-2026-103399: incomplete request body draining in HTTP/1.x early responses can allow HTTP request smuggling\n  (bsc#1283831).\n","status":"published","published":"2026-10-29T10:24:20Z","modified":"2026-11-04T17:23:18.62343932Z","updated_at":"2026-11-04T17:43:22.558805Z"},{"id":"SUSE-SU-2026:4616-1","title":"Security update for libsoup","description":"This update for libsoup fixes the following issues:\n\n- CVE-2026-15713: SoupCache: libsoup: HTTP/2 frame window exhaustion remote denial of service via memory leak\n  (bsc#1271448).\n- CVE-2026-102555: Heap buffer overflow via uninitialized length in data-URI base64 decoding (bsc#1283299).\n- CVE-2026-102556: Heap buffer overflow from WebSocket Pong signal type confusion (bsc#1283300).\n- CVE-2026-102557: Heap buffer overflow during WebSocket message reassembly (bsc#1283301).\n- CVE-2026-102558: Heap buffer overflow during WebSocket receive-buffer growth (bsc#1283302).\n- CVE-2026-102559: Heap buffer overflow during WebSocket client-frame masking (bsc#1283303).\n- CVE-2026-102560: Heap buffer overflow during outgoing permessage-deflate buffer growth (bsc#1283304).\n","status":"published","published":"2026-10-12T07:21:28Z","modified":"2026-10-13T10:30:04.879685509Z","updated_at":"2026-11-02T15:54:05.838224Z"},{"id":"SUSE-SU-2026:4631-1","title":"Security update for libsoup","description":"This update for libsoup fixes the following issues:\n\n- CVE-2026-15713: SoupCache: libsoup: HTTP/2 frame window exhaustion remote denial of service via memory leak\n  (bsc#1271448).\n- CVE-2026-102555: Heap buffer overflow via uninitialized length in data-URI base64 decoding (bsc#1283299).\n- CVE-2026-102556: Heap buffer overflow from WebSocket Pong signal type confusion (bsc#1283300).\n- CVE-2026-102557: Heap buffer overflow during WebSocket message reassembly (bsc#1283301).\n- CVE-2026-102558: Heap buffer overflow during WebSocket receive-buffer growth (bsc#1283302).\n- CVE-2026-102559: Heap buffer overflow during WebSocket client-frame masking (bsc#1283303).\n- CVE-2026-102560: Heap buffer overflow during outgoing permessage-deflate buffer growth (bsc#1283304).\n","status":"published","published":"2026-10-12T15:25:46Z","modified":"2026-10-13T10:30:06.857496744Z","updated_at":"2026-11-02T15:54:05.838224Z"},{"id":"USN-8975-1","title":"libsoup2.4, libsoup3 vulnerabilities","description":"It was discovered that libsoup incorrectly handled certain WebSocket\nframes. A remote attacker could possibly use this issue to cause an\napplication to crash or expose sensitive information. This issue only\naffected Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 26.04 LTS, and Ubuntu\n26.10. (CVE-2026-12478)\n\nIt was discovered that libsoup incorrectly handled certain data URIs. A\nremote attacker could possibly use this issue to cause an application to\ncrash or expose sensitive information. This issue only affected Ubuntu\n22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 26.04 LTS, and Ubuntu 26.10.\n(CVE-2026-102555)\n\nIt was discovered that libsoup incorrectly handled certain WebSocket\nmessages. A remote attacker could possibly use this issue to cause an\napplication to crash. This issue only affected Ubuntu 18.04 LTS, Ubuntu\n20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 26.04 LTS, and\nUbuntu 26.10. (CVE-2026-102556)\n\nIt was discovered that libsoup incorrectly handled fragmented WebSocket\nmessages. A remote attacker could possibly use this issue to cause an\napplication to crash. (CVE-2026-102557)\n\nIt was discovered that libsoup incorrectly handled certain WebSocket\nframes. A remote attacker could possibly use this issue to cause an\napplication to crash. This issue only affected Ubuntu 18.04 LTS, Ubuntu\n20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 26.04 LTS, and\nUbuntu 26.10. (CVE-2026-102558)\n\nIt was discovered that libsoup incorrectly handled large WebSocket\nmessages. An attacker could possibly use this issue to cause an\napplication to crash. (CVE-2026-102559)\n\nIt was discovered that libsoup incorrectly handled compressed WebSocket\nmessages. An attacker could possibly use this issue to cause an\napplication to crash. This issue only affected Ubuntu 20.04 LTS, Ubuntu\n22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 26.04 LTS, and Ubuntu 26.10.\n(CVE-2026-102560)\n\nIt was discovered that libsoup did not properly handle certain HTTP\nrequests. A remote attacker could possibly use this issue to inject\narbitrary HTTP requests. (CVE-2026-103399)\n\nIt was discovered that libsoup incorrectly handled proxy credentials. A\nremote attacker could possibly use this issue to obtain sensitive\ninformation. (CVE-2026-12547)\n\nIt was discovered that libsoup incorrectly handled multipart messages. A\nremote attacker could possibly use this issue to cause an application to\ncrash or obtain sensitive information. (CVE-2026-12548)","status":"published","published":"2026-11-03T16:06:30Z","modified":"2026-11-04T03:43:15.637548273Z","updated_at":"2026-11-04T03:56:18.279609Z"}]}}