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Vulnerability details: VCID-s3m1-pnhd-n3ex
Vulnerability ID VCID-s3m1-pnhd-n3ex
Aliases CVE-2012-1947
Summary Multiple vulnerabilities have been found in Mozilla Firefox, Thunderbird, SeaMonkey, NSS, GNU IceCat, and XULRunner, some of which may allow execution of arbitrary code or local privilege escalation.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-416 Use After Free
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
System Score Found at
epss 0.06784 https://api.first.org/data/v1/epss?cve=CVE-2012-1947
epss 0.06784 https://api.first.org/data/v1/epss?cve=CVE-2012-1947
epss 0.06784 https://api.first.org/data/v1/epss?cve=CVE-2012-1947
epss 0.06784 https://api.first.org/data/v1/epss?cve=CVE-2012-1947
epss 0.06784 https://api.first.org/data/v1/epss?cve=CVE-2012-1947
epss 0.06784 https://api.first.org/data/v1/epss?cve=CVE-2012-1947
epss 0.06784 https://api.first.org/data/v1/epss?cve=CVE-2012-1947
epss 0.06784 https://api.first.org/data/v1/epss?cve=CVE-2012-1947
epss 0.06784 https://api.first.org/data/v1/epss?cve=CVE-2012-1947
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2012-40
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2012-1947.json
https://api.first.org/data/v1/epss?cve=CVE-2012-1947
827843 https://bugzilla.redhat.com/show_bug.cgi?id=827843
CVE-2012-1947 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-1947
GLSA-201301-01 https://security.gentoo.org/glsa/201301-01
mfsa2012-40 https://www.mozilla.org/en-US/security/advisories/mfsa2012-40
RHSA-2012:0710 https://access.redhat.com/errata/RHSA-2012:0710
RHSA-2012:0715 https://access.redhat.com/errata/RHSA-2012:0715
USN-1463-1 https://usn.ubuntu.com/1463-1/
USN-1463-4 https://usn.ubuntu.com/1463-4/
USN-1463-6 https://usn.ubuntu.com/1463-6/
No exploits are available.
Exploit Prediction Scoring System (EPSS)
Percentile 0.91265
EPSS Score 0.06784
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:08:58.129121+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/201301-01 38.0.0