Out-of-Bounds Affecting firefox package, versions <15.0+build1-0ubuntu1


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
12.37% (96th percentile)

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  • Snyk IDSNYK-UBUNTU1210-FIREFOX-424618
  • published29 Aug 2012
  • disclosed29 Aug 2012

Introduced: 29 Aug 2012

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

How to fix?

Upgrade Ubuntu:12.10 firefox to version 15.0+build1-0ubuntu1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Ubuntu. See How to fix? for Ubuntu:12.10 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