Buffer overflow in Mozilla Firefox
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, 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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v2 metric
CVSS v2 base score 9.3 (High). Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.068 (93.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.068 · newest: 0.068 · change: 0.000
Affected products
- Mozilla Firefox
- Mozilla Seamonkey
- Mozilla Thunderbird
- Mozilla Thunderbird Esr
- Canonical Ubuntu Linux — versions 10.04, 11.04, 11.10
- Red Hat Enterprise Linux Desktop — versions 5.0, 6.0
- Red Hat Enterprise Linux Eus — versions 6.3
- Red Hat Enterprise Linux Server — versions 5.0, 6.0
- Red Hat Enterprise Linux Workstation — versions 5.0, 6.0
- SUSE Linux Enterprise Desktop — versions 10, 11
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secunia.com/advisories/50904 (Third Party Advisory, third-party-advisory)
- secunia.com/advisories/50984 (Third Party Advisory, third-party-advisory)
- secunia.com/advisories/50935 (Third Party Advisory, third-party-advisory)
- secunia.com/advisories/50856 (Third Party Advisory, third-party-advisory)
- secunia.com/advisories/50892 (Third Party Advisory, third-party-advisory)
- rhn.redhat.com/errata/RHSA-2012-1351.html (vendor-advisory, Third Party Advisory)
- secunia.com/advisories/50936 (Third Party Advisory, third-party-advisory)
- www.mozilla.org/security/announce/2012/mfsa2012-86.html (Vendor Advisory)
- secunia.com/advisories/55318 (Third Party Advisory, third-party-advisory)
- lists.opensuse.org/opensuse-security-announce/2012-10/msg00010.html (vendor-advisory, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2012-4187?
- CVE-2012-4187 is a vulnerability in Mozilla Firefox, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2012-10-10.
- Is CVE-2012-4187 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.