Home/CVE/Mozilla Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbird before 16.0, Thunderbird ESR 10.x before 10.0.8
CVE

CVE-2012-4187

Mozilla Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbird before 16.0, Thunderbird ESR 10.x before 10.0.8

Mozilla Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbird before 16.0, Thunderbird ESR 10.x before 10.0.8, and SeaMonkey before 2.13 do not properly manage a certain insPos variable, which allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption and assertion failure) via unspecified vectors.

HIGH · CVSS 9.3 EPSS 0.20011
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 4% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

13
mozilla firefox< 10.0.8
mozilla thunderbird esr< 10.0.8
mozilla firefox< 16.0
mozilla thunderbird< 16.0
mozilla seamonkey< 2.13
canonical ubuntu linuxall versions
redhat enterprise linux desktopall versions
redhat enterprise linux eusall versions
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSQLite Firefox Profile Data DB Access
▣

Scoring & Timeline

9.3
HIGH · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Published to NVD10 Oct 2012 · 05:55 PM
⚑

Vendor Advisories

8
suse-csafopenSUSE-SU-2024:10071-1
suse-csafopenSUSE-SU-2024:10218-1
suse-csafopenSUSE-SU-2024:10230-1
usnUSN-1611-1
usnUSN-1600-1
🔗

References & Sources

15
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00010.htmlMailing ListThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2012-1351.htmlThird Party Advisory
http://secunia.com/advisories/50856Third Party Advisory
http://secunia.com/advisories/50892Third Party Advisory
http://secunia.com/advisories/50904Third Party Advisory
http://secunia.com/advisories/50935Third Party Advisory
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