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Vulnerability details: VCID-2tn3-djj9-3ufy
Vulnerability ID VCID-2tn3-djj9-3ufy
Aliases CVE-2012-4187
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 (1)
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
System Score Found at
epss 0.20011 https://api.first.org/data/v1/epss?cve=CVE-2012-4187
epss 0.20011 https://api.first.org/data/v1/epss?cve=CVE-2012-4187
epss 0.20011 https://api.first.org/data/v1/epss?cve=CVE-2012-4187
epss 0.20011 https://api.first.org/data/v1/epss?cve=CVE-2012-4187
epss 0.20011 https://api.first.org/data/v1/epss?cve=CVE-2012-4187
epss 0.20011 https://api.first.org/data/v1/epss?cve=CVE-2012-4187
epss 0.20011 https://api.first.org/data/v1/epss?cve=CVE-2012-4187
epss 0.20011 https://api.first.org/data/v1/epss?cve=CVE-2012-4187
cvssv2 9.3 https://nvd.nist.gov/vuln/detail/CVE-2012-4187
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2012-86
Reference id Reference type URL
http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00010.html
http://rhn.redhat.com/errata/RHSA-2012-1351.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2012-4187.json
https://api.first.org/data/v1/epss?cve=CVE-2012-4187
https://bugzilla.mozilla.org/show_bug.cgi?id=787493
http://secunia.com/advisories/50856
http://secunia.com/advisories/50892
http://secunia.com/advisories/50904
http://secunia.com/advisories/50935
http://secunia.com/advisories/50936
http://secunia.com/advisories/50984
http://secunia.com/advisories/55318
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16425
http://www.mandriva.com/security/advisories?name=MDVSA-2012:163
http://www.mozilla.org/security/announce/2012/mfsa2012-86.html
http://www.securityfocus.com/bid/56125
http://www.ubuntu.com/usn/USN-1611-1
863626 https://bugzilla.redhat.com/show_bug.cgi?id=863626
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird_esr:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:thunderbird_esr:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:6.3:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_eus:6.3:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise_desktop:10:sp4:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:linux_enterprise_desktop:10:sp4:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise_desktop:11:sp3:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:linux_enterprise_desktop:11:sp3:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise_sdk:10:sp4:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:linux_enterprise_sdk:10:sp4:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise_server:10:sp4:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:linux_enterprise_server:10:sp4:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:vmware:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:vmware:*:*
CVE-2012-4187 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-4187
CVE-2012-4187 https://nvd.nist.gov/vuln/detail/CVE-2012-4187
GLSA-201301-01 https://security.gentoo.org/glsa/201301-01
mfsa2012-86 https://www.mozilla.org/en-US/security/advisories/mfsa2012-86
RHSA-2012:1350 https://access.redhat.com/errata/RHSA-2012:1350
RHSA-2012:1351 https://access.redhat.com/errata/RHSA-2012:1351
USN-1600-1 https://usn.ubuntu.com/1600-1/
USN-1611-1 https://usn.ubuntu.com/1611-1/
No exploits are available.
Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C Found at https://nvd.nist.gov/vuln/detail/CVE-2012-4187
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Exploit Prediction Scoring System (EPSS)
Percentile 0.95436
EPSS Score 0.20011
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:09:42.665385+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/201301-01 38.0.0