CVE-2012-3966 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Mozilla Firefox
Severity
10.0CRITICALNVD
EPSS
3.7%
top 12.09%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedAug 29
Latest updateMay 17
Description
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 vector
AV:N/AC:L/C:C/I:C/A:CExploitability: 10.0 | Impact: 10.0
Affected Packages4 packages
🔴Vulnerability Details
2📋Vendor Advisories
3💬Community
1Bugzilla▶
CVE-2012-3966 Mozilla: Memory corruption with bitmap format images with negative height (MFSA 2012-61)↗2012-08-27