What’s Vulnerable › Vulnerabilities

CVE-2014-1525

• Severity: critical (CVSS 9.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2014-04-30 · updated 2026-06-17
• Weakness: CWE-416

Description

The mozilla::dom::TextTrack::AddCue function in Mozilla Firefox before 29.0 and SeaMonkey before 2.26 does not properly perform garbage collection for Text Track Manager variables, which allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free and heap memory corruption) via a crafted VIDEO element in an HTML document.

Affected products

• Canonical Ubuntu Linux: 12.04, 12.10, 13.10, 14.04
• Fedoraproject Fedora: 19
• Mozilla Firefox: before 29.0 — fixed in 29.0
• Mozilla Seamonkey: before 2.26 — fixed in 2.26
• Opensuse: 12.3, 13.1

How to fix

Upgrade to a fixed version: Mozilla Firefox 29.0; Mozilla Seamonkey 2.26. Check the vendor advisory for mitigations.

References

• http://lists.fedoraproject.org/pipermail/package-announce/2014-May/132437.html
• http://lists.opensuse.org/opensuse-updates/2014-05/msg00010.html
• http://lists.opensuse.org/opensuse-updates/2014-05/msg00033.html
• http://secunia.com/advisories/59866
• http://www.mozilla.org/security/announce/2014/mfsa2014-39.html
• http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
• http://www.securitytracker.com/id/1030163
• http://www.securitytracker.com/id/1030164
• http://www.ubuntu.com/usn/USN-2185-1
• https://bugzilla.mozilla.org/show_bug.cgi?id=989210
• https://security.gentoo.org/glsa/201504-01
• http://lists.fedoraproject.org/pipermail/package-announce/2014-May/132437.html

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