{"id":"CVE-2017-12425","aliases":["ALPINE-CVE-2017-12425","DEBIAN-CVE-2017-12425","DSA-3924-1","EUVD-2017-3998","GHSA-jhqh-84v8-3cw2","MGASA-2017-0253","UBUNTU-CVE-2017-12425"],"status":"published","title":"An issue was discovered in Varnish HTTP Cache 4.0.1 through 4.0.4, 4.1.0 through 4.1.7, 5.0.0,...","description":"An issue was discovered in Varnish HTTP Cache 4.0.1 through 4.0.4, 4.1.0 through 4.1.7, 5.0.0, and 5.1.0 through 5.1.2. A wrong if statement in the varnishd source code means that particular invalid requests from the client can trigger an assert, related to an Integer Overflow. This causes the varnishd worker process to abort and restart, losing the cached contents in the process. An attacker can therefore crash the varnishd worker process on demand and effectively keep it from serving content - a Denial-of-Service attack. The specific source-code filename containing the incorrect statement varies across releases.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02416,"percentile":0.84249,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-190"],"published":"2017-08-02T00:00:00Z","modified":"2026-10-24T10:49:28Z","fixes":[{"ecosystem":"Alpine:v3.10","package":"varnish","fixed_in":["5.1.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.11","package":"varnish","fixed_in":["5.1.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.12","package":"varnish","fixed_in":["5.1.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.13","package":"varnish","fixed_in":["5.1.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.14","package":"varnish","fixed_in":["5.1.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"varnish","fixed_in":["5.1.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"varnish","fixed_in":["5.1.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"varnish","fixed_in":["5.1.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"varnish","fixed_in":["5.1.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"varnish","fixed_in":["5.1.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"varnish","fixed_in":["5.1.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"varnish","fixed_in":["5.1.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"varnish","fixed_in":["5.1.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"varnish","fixed_in":["5.1.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"varnish","fixed_in":["5.1.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.3","package":"varnish","fixed_in":["4.1.2-r2"],"sources":["osv"]},{"ecosystem":"Alpine:v3.4","package":"varnish","fixed_in":["4.1.2-r4"],"sources":["osv"]},{"ecosystem":"Alpine:v3.5","package":"varnish","fixed_in":["4.1.3-r1"],"sources":["osv"]},{"ecosystem":"Alpine:v3.6","package":"varnish","fixed_in":["4.1.3-r1"],"sources":["osv"]},{"ecosystem":"Alpine:v3.7","package":"varnish","fixed_in":["5.1.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.8","package":"varnish","fixed_in":["5.1.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.9","package":"varnish","fixed_in":["5.1.3-r0"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"varnish","fixed_in":["5.0.0-7.1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"varnish","fixed_in":["5.0.0-7.1"],"sources":["osv"]},{"ecosystem":"Debian:8","package":"varnish","fixed_in":["4.0.2-1+deb8u1"],"sources":["osv"]},{"ecosystem":"Debian:9","package":"varnish","fixed_in":["5.0.0-7+deb9u1"],"sources":["osv"]},{"ecosystem":"Mageia:6","package":"varnish","fixed_in":["5.0.0-3.1.mga6"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"varnish","fixed_in":["4.1.1-1ubuntu0.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.10","package":"varnish","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.11","package":"varnish","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.12","package":"varnish","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.13","package":"varnish","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.14","package":"varnish","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.15","package":"varnish","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.16","package":"varnish","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"varnish","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"varnish","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"varnish","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"varnish","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"varnish","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"varnish","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"varnish","ranges":[{"type":"ECOSY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Advisory","advisory","report"]},{"url":"https://lists.debian.org/debian-security-announce/2017/msg00186.html","tags":["x_refsource_CONFIRM","x_transferred","Mailing List","Third Party Advisory","advisory","report"]},{"url":"http://www.debian.org/security/2017/dsa-3924","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"https://bugzilla.suse.com/show_bug.cgi?id=1051917","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Third Party Advisory","report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1477222","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Third Party Advisory","report"]},{"url":"https://github.com/varnishcache/varnish-cache/issues/2379","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-12425"},{"url":"https://github.com/advisories/GHSA-jhqh-84v8-3cw2"},{"url":"https://security.alpinelinux.org/vuln/CVE-2017-12425","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2017-12425","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2017-0253.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=21449","tags":["report"]},{"url":"https://www.debian.org/security/2017/dsa-3924","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2017-12425","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-12425","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2017-12425","description":"An issue was discovered in Varnish HTTP Cache 4.0.1 through 4.0.4, 4.1.0 through 4.1.7, 5.0.0, and 5.1.0 through 5.1.2. A wrong if statement in the varnishd source code means that particular invalid requests from the client can trigger an assert, related to an Integer Overflow. This causes the varnishd worker process to abort and restart, losing the cached contents in the process. An attacker can therefore crash the varnishd worker process on demand and effectively keep it from serving content - a Denial-of-Service attack. The specific source-code filename containing the incorrect statement varies across releases.","status":"published","published":"2017-08-04T09:00:00Z","modified":"2024-08-05T18:36:56.186Z","updated_at":"2026-11-02T14:33:17.264801Z"}],"euvd":[{"id":"EUVD-2017-3998","description":"An issue was discovered in Varnish HTTP Cache 4.0.1 through 4.0.4, 4.1.0 through 4.1.7, 5.0.0, and 5.1.0 through 5.1.2. A wrong if statement in the varnishd source code means that particular invalid requests from the client can trigger an assert, related to an Integer Overflow. This causes the varnishd worker process to abort and restart, losing the cached contents in the process. An attacker can therefore crash the varnishd worker process on demand and effectively keep it from serving content - a Denial-of-Service attack. The specific source-code filename containing the incorrect statement varies across releases.","status":"published","published":"2017-08-04T09:00:00Z","modified":"2024-08-05T18:36:56Z","updated_at":"2026-11-03T02:23:21.695208Z"}],"ghsa":[{"id":"GHSA-jhqh-84v8-3cw2","title":"An issue was discovered in Varnish HTTP Cache 4.0.1 through 4.0.4, 4.1.0 through 4.1.7, 5.0.0,...","description":"An issue was discovered in Varnish HTTP Cache 4.0.1 through 4.0.4, 4.1.0 through 4.1.7, 5.0.0, and 5.1.0 through 5.1.2. A wrong if statement in the varnishd source code means that particular invalid requests from the client can trigger an assert, related to an Integer Overflow. This causes the varnishd worker process to abort and restart, losing the cached contents in the process. An attacker can therefore crash the varnishd worker process on demand and effectively keep it from serving content - a Denial-of-Service attack. The specific source-code filename containing the incorrect statement varies across releases.","status":"published","published":"2022-05-17T00:27:13Z","modified":"2023-02-03T05:01:45Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:53:02.192117Z"}],"nvd":[{"id":"CVE-2017-12425","description":"An issue was discovered in Varnish HTTP Cache 4.0.1 through 4.0.4, 4.1.0 through 4.1.7, 5.0.0, and 5.1.0 through 5.1.2. A wrong if statement in the varnishd source code means that particular invalid requests from the client can trigger an assert, related to an Integer Overflow. This causes the varnishd worker process to abort and restart, losing the cached contents in the process. An attacker can therefore crash the varnishd worker process on demand and effectively keep it from serving content - a Denial-of-Service attack. The specific source-code filename containing the incorrect statement varies across releases.","status":"published","published":"2017-08-04T09:29:00.237Z","modified":"2026-06-17T01:03:16.887Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:03:54.862898Z"}],"osv":[{"id":"ALPINE-CVE-2017-12425","description":"An issue was discovered in Varnish HTTP Cache 4.0.1 through 4.0.4, 4.1.0 through 4.1.7, 5.0.0, and 5.1.0 through 5.1.2. A wrong if statement in the varnishd source code means that particular invalid requests from the client can trigger an assert, related to an Integer Overflow. This causes the varnishd worker process to abort and restart, losing the cached contents in the process. An attacker can therefore crash the varnishd worker process on demand and effectively keep it from serving content - a Denial-of-Service attack. The specific source-code filename containing the incorrect statement varies across releases.","status":"published","published":"2017-08-04T09:29:00.237Z","modified":"2026-06-15T18:18:06.761736373Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:27:46.716249Z"},{"id":"CVE-2017-12425","description":"An issue was discovered in Varnish HTTP Cache 4.0.1 through 4.0.4, 4.1.0 through 4.1.7, 5.0.0, and 5.1.0 through 5.1.2. A wrong if statement in the varnishd source code means that particular invalid requests from the client can trigger an assert, related to an Integer Overflow. This causes the varnishd worker process to abort and restart, losing the cached contents in the process. An attacker can therefore crash the varnishd worker process on demand and effectively keep it from serving content - a Denial-of-Service attack. The specific source-code filename containing the incorrect statement varies across releases.","status":"published","published":"2017-08-04T09:29:00.237Z","modified":"2026-10-24T10:49:28.338230019Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:04.159616Z"},{"id":"DEBIAN-CVE-2017-12425","description":"An issue was discovered in Varnish HTTP Cache 4.0.1 through 4.0.4, 4.1.0 through 4.1.7, 5.0.0, and 5.1.0 through 5.1.2. A wrong if statement in the varnishd source code means that particular invalid requests from the client can trigger an assert, related to an Integer Overflow. This causes the varnishd worker process to abort and restart, losing the cached contents in the process. An attacker can therefore crash the varnishd worker process on demand and effectively keep it from serving content - a Denial-of-Service attack. The specific source-code filename containing the incorrect statement varies across releases.","status":"published","published":"2017-08-04T09:29:00.237Z","modified":"2026-09-01T20:03:42.068615592Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:28.50097Z"},{"id":"UBUNTU-CVE-2017-12425","description":"An issue was discovered in Varnish HTTP Cache 4.0.1 through 4.0.4, 4.1.0 through 4.1.7, 5.0.0, and 5.1.0 through 5.1.2. A wrong if statement in the varnishd source code means that particular invalid requests from the client can trigger an assert, related to an Integer Overflow. This causes the varnishd worker process to abort and restart, losing the cached contents in the process. An attacker can therefore crash the varnishd worker process on demand and effectively keep it from serving content - a Denial-of-Service attack. The specific source-code filename containing the incorrect statement varies across releases.","status":"published","published":"2017-08-04T09:29:00Z","modified":"2026-04-22T10:19:54.039964Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:14.122973Z"},{"id":"DSA-3924-1","title":"varnish - security update","status":"published","published":"2017-08-02T00:00:00Z","modified":"2026-03-09T02:08:29.890694Z","updated_at":"2026-11-02T15:46:16.523846Z"},{"id":"MGASA-2017-0253","title":"Updated varnish packages fix security vulnerability","description":"A denial of service vulnerability was discovered in Varnish, a state of\nthe art, high-performance web accelerator. Specially crafted HTTP\nrequests can cause the Varnish daemon to assert and restart, clearing\nthe cache in the process (CVE-2017-12425).\n","status":"published","published":"2017-08-09T20:01:32Z","modified":"2026-04-16T06:25:43.002218465Z","updated_at":"2026-11-02T15:49:40.103088Z"}]}}