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…

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.

Scores

EPSS (exploitation in 30 days)

1.9% · top 20% of all CVEs (4 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.

Weakness

• n/a

Affected products

• n/a

  • affected n/a

References (39)

• RHSA-2015:0046 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• 62242 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 1031533 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• USN-2460-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• openSUSE-SU-2015:0192 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• 62304 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://linux.oracle.com/errata/ELSA-2015-0047.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• 62259 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 62250 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• SUSE-SU-2015:0173 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• 62237 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• openSUSE-SU-2015:0077 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• 62418 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• SUSE-SU-2015:0171 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• 62316 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• DSA-3132 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• 62274 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• firefox-cve20148639-session-hijacking(99959) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• GLSA-201504-01 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• 62313 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• RHSA-2015:0047 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• 62790 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 62293 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 62283 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 62446 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• 62657 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 62273 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://www.mozilla.org/security/announce/2014/mfsa2015-04.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• openSUSE-SU-2015:0133 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• openSUSE-SU-2015:1266 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• DSA-3127 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• SUSE-SU-2015:0180 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• 62315 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://linux.oracle.com/errata/ELSA-2015-0046.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• 62253 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 1031534 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• https://bugzilla.mozilla.org/show_bug.cgi?id=1095859 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 72046 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2014-8639](https://trackcve.app/badge/CVE-2014-8639.svg)](https://trackcve.app/cve/CVE-2014-8639)

Record last updated 6 Aug 2024, 13:26 UTC.