CVE-2007-3645

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-07-15 · updated 2026-06-16

Description

archive_read_support_format_tar.c in libarchive before 2.2.4 allows user-assisted remote attackers to cause a denial of service (crash) via (1) an end-of-file condition within a tar header that follows a pax extension header or (2) a malformed pax extension header in an (a) PAX or a (b) TAR archive, which results in a NULL pointer dereference, a different issue than CVE-2007-3644.

Affected products

FreeBSD Libarchive: through 2.2.3

References

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=432924
http://osvdb.org/38093
http://osvdb.org/38094
http://people.freebsd.org/~kientzle/libarchive/
http://secunia.com/advisories/26050
http://secunia.com/advisories/26062
http://secunia.com/advisories/26355
http://secunia.com/advisories/28377
http://security.freebsd.org/advisories/FreeBSD-SA-07:05.libarchive.asc
http://security.freebsd.org/patches/SA-07:05/libarchive.patch
http://security.gentoo.org/glsa/glsa-200708-03.xml
http://www.debian.org/security/2008/dsa-1455

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