CVE-2012-1970

CVE-2012-1970 is a critical-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

• Severity: Critical (CVSS 2.0 base score 10.0)
• EPSS exploit prediction: 6% (92nd percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-119
• Affected product: Mozilla Firefox
• Published: 2012-08-29
• Last modified: 2026-06-16

Description

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7, and SeaMonkey before 2.12 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

Frequently asked questions

What is CVE-2012-1970?

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7, and SeaMonkey before 2.12 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

How severe is CVE-2012-1970?

CVE-2012-1970 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2012-1970 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-1970?

CVE-2012-1970 primarily affects Mozilla Firefox. In total, 25 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-1970?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2012-1970 published?

CVE-2012-1970 was published on 2012-08-29 and last updated on 2026-06-16.

References

• http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00028.html
• http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00011.html
• http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00014.html
• http://rhn.redhat.com/errata/RHSA-2012-1210.html
• http://rhn.redhat.com/errata/RHSA-2012-1211.html
• http://www.debian.org/security/2012/dsa-2553
• http://www.debian.org/security/2012/dsa-2554
• http://www.debian.org/security/2012/dsa-2556
• http://www.mozilla.org/security/announce/2012/mfsa2012-57.html
• http://www.securityfocus.com/bid/55266
• http://www.ubuntu.com/usn/USN-1548-1
• http://www.ubuntu.com/usn/USN-1548-2
• http://www.xerox.com/download/security/security-bulletin/16287-4d6b7b0c81f7b/cert_XRX13-003_v1.0.pdf
• https://bugzilla.mozilla.org/show_bug.cgi?id=745158
• https://bugzilla.mozilla.org/show_bug.cgi?id=758408
• https://bugzilla.mozilla.org/show_bug.cgi?id=761831
• https://bugzilla.mozilla.org/show_bug.cgi?id=764176
• https://bugzilla.mozilla.org/show_bug.cgi?id=775206
• https://bugzilla.mozilla.org/show_bug.cgi?id=777806
• https://bugzilla.mozilla.org/show_bug.cgi?id=778765
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16910

Affected products (25)

• cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird_esr:*:*:*:*:*:*:*:*
• cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:*
• cpe:2.3:o:suse:linux_enterprise_desktop:10:sp4:*:*:-:*:*:*
• cpe:2.3:o:suse:linux_enterprise_desktop:11:sp2:*:*:*:*:*:*
• cpe:2.3:o:suse:linux_enterprise_server:10:sp4:*:*:-:*:*:*
• cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:*:-:*:*
• cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:*:vmware:*:*
• cpe:2.3:o:suse:linux_enterprise_software_development_kit:11:sp2:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_eus:6.3:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_server_eus:6.3:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
• cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*
• cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*

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