Out-of-Bounds Affecting firefox package, versions <0:10.0.7-1.el6_3


Severity

Recommended
critical

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
11.55% (96th percentile)

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  • Snyk IDSNYK-RHEL6-FIREFOX-1445322
  • published26 Jul 2021
  • disclosed28 Aug 2012

Introduced: 28 Aug 2012

CVE-2012-3966  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade RHEL:6 firefox to version 0:10.0.7-1.el6_3 or higher.
This issue was patched in RHSA-2012:1210.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by RHEL. See How to fix? for RHEL:6 relevant fixed versions and status.

Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7, and SeaMonkey before 2.12 allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a negative height value in a BMP image within a .ICO file, related to (1) improper handling of the transparency bitmask by the nsICODecoder component and (2) improper processing of the alpha channel by the nsBMPDecoder component.

CVSS Scores

version 3.1