{"id":"CVE-2015-3183","details":"The chunked transfer coding implementation in the Apache HTTP Server before 2.4.14 does not properly parse chunk headers, which allows remote attackers to conduct HTTP request smuggling attacks via a crafted request, related to mishandling of large chunk-size values and invalid chunk-extension characters in modules/http/http_filters.c.","modified":"2026-04-16T01:38:26.169659976Z","published":"2015-07-20T23:59:02Z","withdrawn":"2026-01-27T04:14:59.022328Z","related":["SUSE-SU-2015:1851-1","SUSE-SU-2015:1885-1","SUSE-SU-2015:1885-2"],"references":[{"type":"ADVISORY","url":"http://httpd.apache.org/security/vulnerabilities_24.html"},{"type":"ADVISORY","url":"http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10735"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-updates/2015-10/msg00011.html"},{"type":"ARTICLE","url":"http://marc.info/?l=bugtraq&m=144493176821532&w=2"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2015-1666.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2015-1667.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2015-1668.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2015-2661.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2016-0061.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2016-0062.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2016-2054.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2016-2055.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2016-2056.html"},{"type":"ADVISORY","url":"http://www.apache.org/dist/httpd/CHANGES_2.4"},{"type":"ADVISORY","url":"http://www.debian.org/security/2015/dsa-3325"},{"type":"ARTICLE","url":"http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html"},{"type":"FIX","url":"http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html"},{"type":"ADVISORY","url":"http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/75963"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/91787"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1032967"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2686-1"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2015:2659"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2015:2660"},{"type":"ADVISORY","url":"https://github.com/apache/httpd/commit/a6027e56924bb6227c1fdbf6f91e7e2438338be6"},{"type":"ADVISORY","url":"https://github.com/apache/httpd/commit/e427c41257957b57036d5a549b260b6185d1dd73"},{"type":"ADVISORY","url":"https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04832246"},{"type":"ADVISORY","url":"https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04926789"},{"type":"ADVISORY","url":"https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E"},{"type":"ADVISORY","url":"https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E"},{"type":"ADVISORY","url":"https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E"},{"type":"ADVISORY","url":"https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E"},{"type":"ADVISORY","url":"https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E"},{"type":"ADVISORY","url":"https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E"},{"type":"ADVISORY","url":"https://lists.apache.org/thread.html/r83109088737656fa6307bd99ab40f8ff0269ae58d3f7272d7048494a%40%3Ccvs.httpd.apache.org%3E"},{"type":"ADVISORY","url":"https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E"},{"type":"ADVISORY","url":"https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E"},{"type":"ADVISORY","url":"https://lists.apache.org/thread.html/ra7f6aeb28661fbf826969526585f16856abc4615877875f9d3b35ef4%40%3Ccvs.httpd.apache.org%3E"},{"type":"ADVISORY","url":"https://lists.apache.org/thread.html/rb14daf9cc4e28d18cdc15d6a6ca74e565672fabf7ad89541071d008b%40%3Ccvs.httpd.apache.org%3E"},{"type":"ADVISORY","url":"https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E"},{"type":"ADVISORY","url":"https://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e%40%3Ccvs.httpd.apache.org%3E"},{"type":"ADVISORY","url":"https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E"},{"type":"ADVISORY","url":"https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E"},{"type":"ADVISORY","url":"https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d45523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