CVE-2013-1722

CVE-2013-1722 is a critical-severity vulnerability in Mozilla Thunderbird with a CVSS 2.0 base score of 9.3. 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-399.

Key facts

• Severity: Critical (CVSS 2.0 base score 9.3)
• EPSS exploit prediction: 6% (92nd percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-399
• Affected product: Mozilla Thunderbird
• Published: 2013-09-18
• Last modified: 2026-06-16

Description

Use-after-free vulnerability in the nsAnimationManager::BuildAnimations function in the Animation Manager in Mozilla Firefox before 24.0, Firefox ESR 17.x before 17.0.9, Thunderbird before 24.0, Thunderbird ESR 17.x before 17.0.9, and SeaMonkey before 2.21 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via vectors involving stylesheet cloning.

Frequently asked questions

What is CVE-2013-1722?

Use-after-free vulnerability in the nsAnimationManager::BuildAnimations function in the Animation Manager in Mozilla Firefox before 24.0, Firefox ESR 17.x before 17.0.9, Thunderbird before 24.0, Thunderbird ESR 17.x before 17.0.9, and SeaMonkey before 2.21 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via vectors involving stylesheet cloning.

How severe is CVE-2013-1722?

CVE-2013-1722 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2013-1722 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-2013-1722?

CVE-2013-1722 primarily affects Mozilla Thunderbird. In total, 137 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-1722?

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-2013-1722 published?

CVE-2013-1722 was published on 2013-09-18 and last updated on 2026-06-16.

References

• http://lists.fedoraproject.org/pipermail/package-announce/2013-September/115907.html
• http://lists.fedoraproject.org/pipermail/package-announce/2013-September/116610.html
• http://lists.fedoraproject.org/pipermail/package-announce/2013-September/117526.html
• http://lists.opensuse.org/opensuse-security-announce/2013-11/msg00005.html
• http://lists.opensuse.org/opensuse-updates/2013-09/msg00055.html
• http://lists.opensuse.org/opensuse-updates/2013-09/msg00057.html
• http://lists.opensuse.org/opensuse-updates/2013-09/msg00059.html
• http://lists.opensuse.org/opensuse-updates/2013-09/msg00060.html
• http://lists.opensuse.org/opensuse-updates/2013-09/msg00061.html
• http://rhn.redhat.com/errata/RHSA-2013-1268.html
• http://rhn.redhat.com/errata/RHSA-2013-1269.html
• http://www.debian.org/security/2013/dsa-2762
• http://www.mozilla.org/security/announce/2013/mfsa2013-79.html
• http://www.securityfocus.com/bid/62460
• http://www.ubuntu.com/usn/USN-1951-1
• http://www.ubuntu.com/usn/USN-1952-1
• https://bugzilla.mozilla.org/show_bug.cgi?id=893308
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19031

Affected products (137)

• cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird:17.0:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird:17.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird:17.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird:17.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird:17.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird:17.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird:17.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird:17.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird:17.0.8:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:19.0:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:19.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:19.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:20.0:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:20.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:21.0:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:22.0:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:23.0:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird_esr:17.0:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird_esr:17.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird_esr:17.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird_esr:17.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird_esr:17.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird_esr:17.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird_esr:17.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird_esr:17.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird_esr:17.0.8:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:17.0:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:17.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:17.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:17.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:17.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:17.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:17.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:17.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:17.0.8:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.0:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:2.0:alpha_1:*:*:*:*:*:*

More vulnerabilities in Mozilla Thunderbird

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• CVE-2026-2776 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability…
• CVE-2026-2768 — Critical (CVSS 10.0): Sandbox escape in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8,…
• CVE-2026-2761 — Critical (CVSS 10.0): Sandbox escape in the Graphics: WebRender component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33,…

All CVEs affecting Mozilla Thunderbird →

Other CWE-399 (Resource Management Errors) vulnerabilities

• CVE-2015-8104 — Critical (CVSS 10.0): The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a…
• CVE-2015-0339 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
• CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
• CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
• CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
• CVE-2014-0560 — Critical (CVSS 10.0): Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.12 and 11.x before 11.0.09 on Windows and OS…

Browse all CWE-399 (Resource Management Errors) vulnerabilities →