CVE-2007-3644

archive_read_support_format_tar.c in libarchive before 2.2.4 allows user-assisted remote...

4.3 MediumFix available

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.

Exploit likelihood

3.92%Up 0.1 points since Feb 4, 2022

What each source reports

NVD Score used 4.3

Record: CVE-2007-3644
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Updated: 2026-11-02

CVE List No score

Record: CVE-2007-3644
Updated: 2026-11-02

EUVDEUVD-2007-3628 No score

Record: EUVD-2007-3628
Updated: 2026-11-03

GitHub AdvisoriesGHSA-2mmg-r5qc-hhcj No score

archive_read_support_format_tar.c in libarchive before 2.2.4 allows user-assisted remote...

Record: GHSA-2mmg-r5qc-hhcj
Updated: 2026-11-02

OSV No score

Record: CVE-2007-3644
Updated: 2026-11-02

OSVDEBIAN-CVE-2007-3644 No score

Record: DEBIAN-CVE-2007-3644
Updated: 2026-11-02

Affected products

freebsd libarchive

Affected packages

Affected packages
Package	Affected	Fixed
`libarchive` Debian:12	before 2.2.4-1	2.2.4-1
`libarchive` Debian:13	before 2.2.4-1	2.2.4-1
`libarchive` Debian:14	before 2.2.4-1	2.2.4-1
`libarchive` Debian:4.0 From an advisory covering 3 CVEs	before 1.2.53-2etch1, plus listed versions 1.2.53-21.2.53-2etch1~bpo31+1	1.2.53-2etch1

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	affected, aliases, facts, references, title	GitHub Advisories, OSV
Nov 2, 2026	first indexed	CVE List, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2007-3644 is a medium vulnerability (CVSS 4.3) in Freebsd Libarchive, published July 14, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.92%, the 90th percentile. Fixed in libarchive 2.2.4-1.

References

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