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Vulnerability details: VCID-5v1h-mrzk-h7cv
Vulnerability ID VCID-5v1h-mrzk-h7cv
Aliases CVE-2012-5839
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 (3)
CWE-416 Use After Free
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-787 Out-of-bounds Write
System Score Found at
epss 0.02828 https://api.first.org/data/v1/epss?cve=CVE-2012-5839
epss 0.02828 https://api.first.org/data/v1/epss?cve=CVE-2012-5839
epss 0.02828 https://api.first.org/data/v1/epss?cve=CVE-2012-5839
epss 0.02828 https://api.first.org/data/v1/epss?cve=CVE-2012-5839
epss 0.02828 https://api.first.org/data/v1/epss?cve=CVE-2012-5839
epss 0.02828 https://api.first.org/data/v1/epss?cve=CVE-2012-5839
epss 0.02828 https://api.first.org/data/v1/epss?cve=CVE-2012-5839
epss 0.02828 https://api.first.org/data/v1/epss?cve=CVE-2012-5839
epss 0.02828 https://api.first.org/data/v1/epss?cve=CVE-2012-5839
cvssv2 9.3 https://nvd.nist.gov/vuln/detail/CVE-2012-5839
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2012-105
Reference id Reference type URL
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00021.html
http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00022.html
http://lists.opensuse.org/opensuse-updates/2012-11/msg00090.html
http://lists.opensuse.org/opensuse-updates/2012-11/msg00092.html
http://lists.opensuse.org/opensuse-updates/2012-11/msg00093.html
http://osvdb.org/87607
http://rhn.redhat.com/errata/RHSA-2012-1482.html
http://rhn.redhat.com/errata/RHSA-2012-1483.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2012-5839.json
https://api.first.org/data/v1/epss?cve=CVE-2012-5839
https://bugzilla.mozilla.org/show_bug.cgi?id=804927
http://secunia.com/advisories/51359
http://secunia.com/advisories/51360
http://secunia.com/advisories/51369
http://secunia.com/advisories/51370
http://secunia.com/advisories/51381
http://secunia.com/advisories/51434
http://secunia.com/advisories/51439
http://secunia.com/advisories/51440
https://exchange.xforce.ibmcloud.com/vulnerabilities/80196
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16968
http://www.mandriva.com/security/advisories?name=MDVSA-2012:173
http://www.mozilla.org/security/announce/2012/mfsa2012-105.html
http://www.palemoon.org/releasenotes-ng.shtml
http://www.securityfocus.com/bid/56637
http://www.ubuntu.com/usn/USN-1636-1
http://www.ubuntu.com/usn/USN-1638-1
http://www.ubuntu.com/usn/USN-1638-2
http://www.ubuntu.com/usn/USN-1638-3
877634 https://bugzilla.redhat.com/show_bug.cgi?id=877634
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:11.10:*:*:*:*:*:*:* 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:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:12.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:opensuse:12.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:*
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:sp2:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:linux_enterprise_desktop:11:sp2:*:*:*:*:*:*
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:sp2:*:*:*:-:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:*:-:*:*
cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:*:vmware:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:*:vmware:*:*
cpe:2.3:o:suse:linux_enterprise_software_development_kit:10:sp4:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:linux_enterprise_software_development_kit:10:sp4:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise_software_development_kit:11:sp2:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:linux_enterprise_software_development_kit:11:sp2:*:*:*:*:*:*
CVE-2012-5839 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-5839
CVE-2012-5839 https://nvd.nist.gov/vuln/detail/CVE-2012-5839
GLSA-201301-01 https://security.gentoo.org/glsa/201301-01
mfsa2012-105 https://www.mozilla.org/en-US/security/advisories/mfsa2012-105
RHSA-2012:1482 https://access.redhat.com/errata/RHSA-2012:1482
RHSA-2012:1483 https://access.redhat.com/errata/RHSA-2012:1483
USN-1636-1 https://usn.ubuntu.com/1636-1/
USN-1638-1 https://usn.ubuntu.com/1638-1/
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-2012-5839
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 0.86106
EPSS Score 0.02828
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:09:59.924996+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/201301-01 38.0.0