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Vulnerability details: VCID-bd7g-muwz-1fer
Vulnerability ID VCID-bd7g-muwz-1fer
Aliases CVE-2012-3991
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-264 Permissions, Privileges, and Access Controls
System Score Found at
epss 0.01419 https://api.first.org/data/v1/epss?cve=CVE-2012-3991
epss 0.01419 https://api.first.org/data/v1/epss?cve=CVE-2012-3991
epss 0.01419 https://api.first.org/data/v1/epss?cve=CVE-2012-3991
epss 0.01419 https://api.first.org/data/v1/epss?cve=CVE-2012-3991
epss 0.01419 https://api.first.org/data/v1/epss?cve=CVE-2012-3991
epss 0.01419 https://api.first.org/data/v1/epss?cve=CVE-2012-3991
epss 0.01419 https://api.first.org/data/v1/epss?cve=CVE-2012-3991
epss 0.01419 https://api.first.org/data/v1/epss?cve=CVE-2012-3991
epss 0.01419 https://api.first.org/data/v1/epss?cve=CVE-2012-3991
cvssv2 9.3 https://nvd.nist.gov/vuln/detail/CVE-2012-3991
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2012-81
Reference id Reference type URL
http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00010.html
http://osvdb.org/86098
http://rhn.redhat.com/errata/RHSA-2012-1351.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2012-3991.json
https://api.first.org/data/v1/epss?cve=CVE-2012-3991
https://bugzilla.mozilla.org/show_bug.cgi?id=783260
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/51181
http://secunia.com/advisories/55318
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16646
http://www.debian.org/security/2012/dsa-2565
http://www.debian.org/security/2012/dsa-2569
http://www.debian.org/security/2012/dsa-2572
http://www.mandriva.com/security/advisories?name=MDVSA-2012:163
http://www.mozilla.org/security/announce/2012/mfsa2012-81.html
http://www.securityfocus.com/bid/55930
http://www.ubuntu.com/usn/USN-1611-1
863621 https://bugzilla.redhat.com/show_bug.cgi?id=863621
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-2012-3991 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-3991
CVE-2012-3991 https://nvd.nist.gov/vuln/detail/CVE-2012-3991
GLSA-201301-01 https://security.gentoo.org/glsa/201301-01
mfsa2012-81 https://www.mozilla.org/en-US/security/advisories/mfsa2012-81
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-2012-3991
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 0.80521
EPSS Score 0.01419
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:09:34.525874+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/201301-01 38.0.0