archive_read_support_format_tar.c in libarchive before 2.2.4 does not properly compute the length of a certain buffer when processing a…

Description

archive_read_support_format_tar.c in libarchive before 2.2.4 does not properly compute the length of a certain buffer when processing a malformed pax extension header, which allows user-assisted remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted (1) PAX or (2) TAR archive that triggers a buffer overflow.

Scores

EPSS (exploitation in 30 days)

7.4% · top 5.5% of all CVEs (4 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 9.3.

Weakness

• n/a

Affected products

• n/a

  • affected n/a

References (16)

• freebsd-libarchive-pax-bo(35405) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• ADV-2007-2521 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• DSA-1455 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• FreeBSD-SA-07:05.libarchive (opens in a new tab)vendor-advisoryx_refsource_FREEBSDx_transferred
• http://security.freebsd.org/patches/SA-07:05/libarchive.patch (opens in a new tab)x_refsource_MISCx_transferred
• 26050 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 24885 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• GLSA-200708-03 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=432924 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 38092 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
• http://people.freebsd.org/~kientzle/libarchive/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• 26062 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 26355 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 1018379 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• 28377 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• SUSE-SR:2007:015 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2007-3641](https://trackcve.app/badge/CVE-2007-3641.svg)](https://trackcve.app/cve/CVE-2007-3641)

Record last updated 7 Aug 2024, 14:21 UTC.