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Vulnerability details: VCID-u8pk-sybw-9qbk
Vulnerability ID VCID-u8pk-sybw-9qbk
Aliases CVE-2012-4186
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 0.52507 https://api.first.org/data/v1/epss?cve=CVE-2012-4186
epss 0.52507 https://api.first.org/data/v1/epss?cve=CVE-2012-4186
epss 0.52507 https://api.first.org/data/v1/epss?cve=CVE-2012-4186
epss 0.52507 https://api.first.org/data/v1/epss?cve=CVE-2012-4186
epss 0.52507 https://api.first.org/data/v1/epss?cve=CVE-2012-4186
epss 0.52507 https://api.first.org/data/v1/epss?cve=CVE-2012-4186
epss 0.52507 https://api.first.org/data/v1/epss?cve=CVE-2012-4186
epss 0.52507 https://api.first.org/data/v1/epss?cve=CVE-2012-4186
epss 0.52507 https://api.first.org/data/v1/epss?cve=CVE-2012-4186
cvssv2 9.3 https://nvd.nist.gov/vuln/detail/CVE-2012-4186
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://osvdb.org/86117
http://rhn.redhat.com/errata/RHSA-2012-1351.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2012-4186.json
https://api.first.org/data/v1/epss?cve=CVE-2012-4186
https://bugzilla.mozilla.org/show_bug.cgi?id=785967
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://exchange.xforce.ibmcloud.com/vulnerabilities/79163
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16193
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/mfsa2012-86.html
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:debian:debian_linux:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*
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-2012-4186 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-4186
CVE-2012-4186 https://nvd.nist.gov/vuln/detail/CVE-2012-4186
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-2012-4186
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 0.97914
EPSS Score 0.52507
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:09:42.016164+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/201301-01 38.0.0