VULNERABILITY INTELLIGENCE
CVE-2012-1947
CVSS score9.3 HIGH
EPSS probability4.62%
CISA KEVNot currently listed
Published2012-06-05
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:C/I:C/A:C
Description
Heap-based buffer overflow in the utf16_to_isolatin1 function in Mozilla Firefox 4.x through 12.0, Firefox ESR 10.x before 10.0.5, Thunderbird 5.0 through 12.0, Thunderbird ESR 10.x before 10.0.5, and SeaMonkey before 2.10 allows remote attackers to execute arbitrary code via vectors that trigger a character-set conversion failure.
Weakness classification
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer