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Vulnerability record · CVE-2007-3645 · published 15 July 2007

CVE-2007-3645: Freebsd libarchive vulnerability

Freebsd · Libarchive

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.

4.3 CVSS 2.0 Medium EPSS 3.4% · top 11.5%
4.3CVSS 2.0 base score
3.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
34References
16 Jun 2026Last modified by 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 (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.

AV:N/AC:M/Au:N/C:N/I:N/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
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 PatchVendor Advisory
http://secunia.com/advisories/26062 PatchVendor Advisory
http://secunia.com/advisories/26355
http://secunia.com/advisories/28377
http://security.freebsd.org/advisories/FreeBSD-SA-07:05.libarchive.asc PatchVendor Advisory
http://security.freebsd.org/patches/SA-07:05/libarchive.patch Patch
http://security.gentoo.org/glsa/glsa-200708-03.xml
http://www.debian.org/security/2008/dsa-1455
http://www.novell.com/linux/security/advisories/2007_15_sr.html
http://www.securityfocus.com/bid/24885 Patch
http://www.securitytracker.com/id?1018379
http://www.vupen.com/english/advisories/2007/2521
https://exchange.xforce.ibmcloud.com/vulnerabilities/35404
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 PatchVendor Advisory
http://secunia.com/advisories/26062 PatchVendor Advisory
http://secunia.com/advisories/26355
http://secunia.com/advisories/28377
http://security.freebsd.org/advisories/FreeBSD-SA-07:05.libarchive.asc PatchVendor Advisory
http://security.freebsd.org/patches/SA-07:05/libarchive.patch Patch
http://security.gentoo.org/glsa/glsa-200708-03.xml
http://www.debian.org/security/2008/dsa-1455
http://www.novell.com/linux/security/advisories/2007_15_sr.html
http://www.securityfocus.com/bid/24885 Patch
http://www.securitytracker.com/id?1018379
http://www.vupen.com/english/advisories/2007/2521
https://exchange.xforce.ibmcloud.com/vulnerabilities/35404

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.3CVE-2007-3641Freebsd libarchive vulnerabilityarchive_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…EPSS 7.4%7.5CVE-2010-4666Freebsd libarchive memory buffer overflow vulnerabilityBuffer overflow in libarchive 3.0 pre-release code allows remote attackers to cause a denial of service (application crash) or possibly have unspecif…EPSS 2.1%7.5CVE-2011-1779Freebsd libarchive vulnerabilityMultiple use-after-free vulnerabilities in libarchive 2.8.4 and 2.8.5 allow remote attackers to cause a denial of service (application crash) or poss…EPSS 1.4%6.8CVE-2011-1777Freebsd libarchive memory buffer overflow vulnerabilityMultiple buffer overflows in the (1) heap_add_entry and (2) relocate_dir functions in archive_read_support_format_iso9660.c in libarchive through 2.8…EPSS 4.2%6.8CVE-2011-1778Freebsd libarchive memory buffer overflow vulnerabilityBuffer overflow in libarchive through 2.8.5 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary co…EPSS 4.2%4.3CVE-2007-3644Freebsd libarchive vulnerabilityarchive_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 (…EPSS 3.9%

Source: NIST National Vulnerability Database (record CVE-2007-3645), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.