CVE-2017-5396

CRITICAL

Thunderbird <45.7, Firefox ESR <45.7, Firefox <51 - Use After Free

Title source: llm
STIX 2.1

Description

A use-after-free vulnerability in the Media Decoder when working with media files when some events are fired after the media elements are freed from memory. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.

References (12)

Core 12
Core References
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2017-03/
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2017-02/
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201702-22
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2017/dsa-3832
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201702-13
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2017/dsa-3771
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1037693
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2017-01/
Third Party Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2017-0190.html
Exploit, Issue Tracking, Patch, Vendor Advisory x_refsource_confirm
https://bugzilla.mozilla.org/show_bug.cgi?id=1329403
Third Party Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2017-0238.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/95769

Scores

CVSS v3 9.8
EPSS 0.0219
EPSS Percentile 84.6%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-416
Status published
Products (20)
debian/debian_linux 8.0
mozilla/firefox < 51.0
mozilla/thunderbird < 45.7.0
redhat/enterprise_linux 5.0
redhat/enterprise_linux 6.0
redhat/enterprise_linux 7.0
redhat/enterprise_linux_desktop 5.0
redhat/enterprise_linux_desktop 6.0
redhat/enterprise_linux_desktop 7.0
redhat/enterprise_linux_server 5.0
... and 10 more
Published Jun 11, 2018
Tracked Since Feb 18, 2026