Unrated severityNVD Advisory· Published Jan 14, 2015· Updated Jun 17, 2026
CVE-2014-8639
CVE-2014-8639
Description
Mozilla Firefox before 35.0, Firefox ESR 31.x before 31.4, Thunderbird before 31.4, and SeaMonkey before 2.32 do not properly interpret Set-Cookie headers within responses that have a 407 (aka Proxy Authentication Required) status code, which allows remote HTTP proxy servers to conduct session fixation attacks by providing a cookie name that corresponds to the session cookie of the origin server.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
14cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*+ 6 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*range: <=34.0.5
- cpe:2.3:a:mozilla:firefox:31.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:31.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:31.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:31.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_esr:31.2:*:*:*:*:*:*:*
- (no CPE)range: <35.0
cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*range: <=2.31
- (no CPE)range: <2.32
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*range: <=31.3.0
- (no CPE)range: <31.4
- osv-coords3 versionspkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweed
< 128.5.1-1.1+ 2 more
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 50.1.0-1.1
- (no CPE)range: < 45.5.1-1.1
Patches
Vulnerability mechanics
References
39- www.mozilla.org/security/announce/2014/mfsa2015-04.htmlnvdVendor Advisory
- linux.oracle.com/errata/ELSA-2015-0046.htmlnvd
- linux.oracle.com/errata/ELSA-2015-0047.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2015-01/msg00014.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2015-01/msg00032.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2015-01/msg00033.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2015-01/msg00036.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2015-02/msg00002.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2015-07/msg00031.htmlnvd
- lists.opensuse.org/opensuse-updates/2015-01/msg00071.htmlnvd
- rhn.redhat.com/errata/RHSA-2015-0046.htmlnvd
- rhn.redhat.com/errata/RHSA-2015-0047.htmlnvd
- secunia.com/advisories/62237nvd
- secunia.com/advisories/62242nvd
- secunia.com/advisories/62250nvd
- secunia.com/advisories/62253nvd
- secunia.com/advisories/62259nvd
- secunia.com/advisories/62273nvd
- secunia.com/advisories/62274nvd
- secunia.com/advisories/62283nvd
- secunia.com/advisories/62293nvd
- secunia.com/advisories/62304nvd
- secunia.com/advisories/62313nvd
- secunia.com/advisories/62315nvd
- secunia.com/advisories/62316nvd
- secunia.com/advisories/62418nvd
- secunia.com/advisories/62446nvd
- secunia.com/advisories/62657nvd
- secunia.com/advisories/62790nvd
- www.debian.org/security/2015/dsa-3127nvd
- www.debian.org/security/2015/dsa-3132nvd
- www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.htmlnvd
- www.securityfocus.com/bid/72046nvd
- www.securitytracker.com/id/1031533nvd
- www.securitytracker.com/id/1031534nvd
- www.ubuntu.com/usn/USN-2460-1nvd
- bugzilla.mozilla.org/show_bug.cginvd
- exchange.xforce.ibmcloud.com/vulnerabilities/99959nvd
- security.gentoo.org/glsa/201504-01nvd
News mentions
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