{"id":"CVE-2015-8852","aliases":["DEBIAN-CVE-2015-8852","DSA-3553-1","EUVD-2015-8717","GHSA-rgw4-jfff-qx3m","MGASA-2016-0150","UBUNTU-CVE-2015-8852"],"status":"published","title":"Varnish 3.x before 3.0.7, when used in certain stacked installations, allows remote attackers to...","description":"Varnish 3.x before 3.0.7, when used in certain stacked installations, allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via a header line terminated by a \\r (carriage return) character in conjunction with multiple Content-Length headers in an HTTP request.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03524,"percentile":0.89318,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2016-04-21T00:00:00Z","modified":"2026-09-09T07:01:26Z","fixes":[{"ecosystem":"Debian:12","package":"varnish","fixed_in":["4.0.0-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"varnish","fixed_in":["4.0.0-1"],"sources":["osv"]},{"ecosystem":"Debian:7","package":"varnish","fixed_in":["3.0.2-2+deb7u2"],"sources":["osv"]},{"ecosystem":"Mageia:5","package":"varnish","fixed_in":["3.0.3-19.1.mga5"],"sources":["osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"varnish","fixed_in":["3.0.5-2ubuntu0.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"varnish","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.0-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"varnish","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.0-1"}]}]},{"source":"osv","ecosystem":"Debian:7","package":"varnish","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.2-2+deb7u2"}]}],"versions":["3.0.2-2","3.0.2-2+deb7u1"]},{"source":"osv","ecosystem":"Mageia:5","package":"varnish","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.3-19.1.mga5"}]}]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"varnish","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.5-2ubuntu0.1"}]}],"versions":["3.0.4-1ubuntu1","3.0.4-1ubuntu2","3.0.5-1ubuntu2","3.0.5-2"]}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"varnish_cache_project","product":"varnish_cache"}],"references":[{"url":"http://www.debian.org/security/2016/dsa-3553","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"https://www.varnish-cache.org/lists/pipermail/varnish-announce/2015-March/000701.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Vendor Advisory","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2016/04/18/7","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://security.gentoo.org/glsa/201607-10","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","advisory"]},{"url":"https://github.com/varnish/Varnish-Cache/commit/29870c8fe95e4e8a672f6f28c5fbe692bea09e9c","tags":["x_refsource_CONFIRM","x_transferred","fix"]},{"url":"https://github.com/varnish/Varnish-Cache/commit/85e8468bec9416bd7e16b0d80cb820ecd2b330c3","tags":["x_refsource_CONFIRM","x_transferred","fix"]},{"url":"http://www.openwall.com/lists/oss-security/2016/04/16/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","web","report"]},{"url":"http://lists.opensuse.org/opensuse-updates/2016-05/msg00064.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-8852"},{"url":"https://github.com/advisories/GHSA-rgw4-jfff-qx3m"},{"url":"https://security-tracker.debian.org/tracker/CVE-2015-8852","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2016-0150.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=18244","tags":["report"]},{"url":"https://www.debian.org/security/2016/dsa-3553","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2015-8852","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2015-8852","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2015-8852","description":"Varnish 3.x before 3.0.7, when used in certain stacked installations, allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via a header line terminated by a \\r (carriage return) character in conjunction with multiple Content-Length headers in an HTTP request.","status":"published","published":"2016-04-25T14:00:00Z","modified":"2024-08-06T08:29:22.025Z","updated_at":"2026-11-02T14:35:41.26549Z"}],"euvd":[{"id":"EUVD-2015-8717","description":"Varnish 3.x before 3.0.7, when used in certain stacked installations, allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via a header line terminated by a \\r (carriage return) character in conjunction with multiple Content-Length headers in an HTTP request.","status":"published","published":"2016-04-25T14:00:00Z","modified":"2024-08-06T08:29:22Z","updated_at":"2026-11-03T01:57:25.869767Z"}],"ghsa":[{"id":"GHSA-rgw4-jfff-qx3m","title":"Varnish 3.x before 3.0.7, when used in certain stacked installations, allows remote attackers to...","description":"Varnish 3.x before 3.0.7, when used in certain stacked installations, allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via a header line terminated by a \\r (carriage return) character in conjunction with multiple Content-Length headers in an HTTP request.","status":"published","published":"2022-05-17T03:37:15Z","modified":"2023-01-27T05:07:25Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T14:43:07.326529Z"}],"nvd":[{"id":"CVE-2015-8852","description":"Varnish 3.x before 3.0.7, when used in certain stacked installations, allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via a header line terminated by a \\r (carriage return) character in conjunction with multiple Content-Length headers in an HTTP request.","status":"published","published":"2016-04-25T14:59:01.25Z","modified":"2026-06-17T00:35:22.033Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:03:16.97467Z"}],"osv":[{"id":"CVE-2015-8852","description":"Varnish 3.x before 3.0.7, when used in certain stacked installations, allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via a header line terminated by a \\r (carriage return) character in conjunction with multiple Content-Length headers in an HTTP request.","status":"published","published":"2016-04-25T14:59:01Z","modified":"2026-04-16T06:24:50.34850906Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:01.068991Z"},{"id":"DEBIAN-CVE-2015-8852","description":"Varnish 3.x before 3.0.7, when used in certain stacked installations, allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via a header line terminated by a \\r (carriage return) character in conjunction with multiple Content-Length headers in an HTTP request.","status":"published","published":"2016-04-25T14:59:01.25Z","modified":"2026-09-09T07:01:26.059913264Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:45:27.04239Z"},{"id":"UBUNTU-CVE-2015-8852","description":"Varnish 3.x before 3.0.7, when used in certain stacked installations, allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via a header line terminated by a \\r (carriage return) character in conjunction with multiple Content-Length headers in an HTTP request.","status":"published","published":"2016-04-25T14:59:00Z","modified":"2026-04-22T10:23:38.306363Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:54:11.100633Z"},{"id":"DSA-3553-1","title":"varnish - security update","status":"published","published":"2016-04-21T00:00:00Z","modified":"2026-03-09T01:20:05.195492Z","updated_at":"2026-11-02T15:46:16.199525Z"},{"id":"MGASA-2016-0150","title":"Updated varnish packages fix CVE-2015-8852","description":"Updated varnish packages fix security vulnerabilities:\n\nRégis Leroy from Makina Corpus discovered that varnish, a caching HTTP reverse\nproxy, is vulnerable to HTTP smuggling issues, potentially resulting in cache\npoisoning or bypassing of access control policies (CVE-2015-8852).\n","status":"published","published":"2016-04-25T07:57:21Z","modified":"2026-04-16T06:22:58.007933433Z","updated_at":"2026-11-02T15:49:39.792687Z"}]}}