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CVE-2012-4187

Published: Oct 10, 2012Updated: Apr 29, 2026 Sources: CVE List NVDCWE-119
9.3CRITICAL
NVD MITRE
EPSS Score
6.8%
Top 6.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:MAu:NC:CI:CA:C
Exploitability
AV:NAccess Vector
Network
AC:MAccess Complexity
Medium
Au:NAuthentication
None
Impact
C:CConfidentiality
Complete
I:CIntegrity
Complete
A:CAvailability
Complete
Open in CVSS calculator →

Weaknesses

CWE-119

Affected Products

mozilla
oss-project·USaka mozilla corp.
firefoxOn-premDesktop App
Consumer Software / browser
thunderbird esr
Consumer Software
thunderbirdOn-premDesktop App
Communications / email-server-client
seamonkeyDesktop App
Consumer Software / browser
suse
commercial·DE
linux enterprise desktopOn-premOS
Operating Systems / linux-distro
linux enterprise sdkOn-premOS
Operating Systems / linux-distro
linux enterprise serverOn-premOS
Operating Systems / linux-distro
canonical
commercial·GBaka canonical ltd.
ubuntu linuxOn-premOS
Operating Systems / linux-distro
redhat
commercial·USaka red hat
enterprise linux workstationOn-premOS
Operating Systems / linux-distro
and 4 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2012-4187?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00010.html
lists.opensuse.org
http://rhn.redhat.com/errata/RHSA-2012-1351.html
rhn.redhat.com
http://secunia.com/advisories/50856
secunia.com
and 12 more references View all →

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