Is CVE-2007-3644 in the CISA KEV catalog?

No. CVE-2007-3644 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2007-3644?

CVE-2007-3644 has a CVSS v2 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2007-3644?

CVE-2007-3644 has an EPSS score of 3.92% (89th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2007-3644?

Upgrade libarchive on debian 11 to 2.2.4-1 or later.

CVE & CISA-KEV Catalog

CVE-2007-3644

MEDIUMEPSS 89th pctl

4.3

CVSS v2

NVD

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.

How to fix

Remediation Available

libarchiveDebian

Fixed in:2.2.4-1CVE-2007-3644

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

3.92%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Patch4

Vendor Advisory1

security.freebsd.org

Government Resource1

kb.cert.org

Other references12

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.