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CVE-2007-3641

29
FAUCET Score

CVE-2007-3641 describes a buffer overflow vulnerability in libarchive versions prior to 2.2.4, specifically within the archive_read_support_format_tar.c component, affecting products like FreeBSD that utilize this library. The flaw arises from improper length computation when processing malformed PAX extension headers in crafted PAX or TAR archives. This vulnerability carries a critical CVSS score of 9.3, indicating a high risk due to its network-based attack vector, medium complexity, and potential for complete compromise of confidentiality, integrity, and availability, including arbitrary code execution and denial of service. Despite its high severity and EPSS score, there is no evidence of active exploitation, publicly available exploit code in Metasploit or ExploitDB, nor significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.2.3CPE matchmatch criteria
cpe:2.3:a:freebsd:libarchive:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
7.43%
Probability of exploitation in next 30 days
EPSS Percentile
93.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0743 is in the 71st percentile among its peer group of 8,915 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

bugs.debian.org / cgi-bin/bugreport.cgi
osvdb.org / 38092
people.freebsd.org / ~kientzle/libarchive
secunia.com / advisories/26050
PatchVendor Advisory
secunia.com / advisories/26062
PatchVendor Advisory
secunia.com / advisories/26355
secunia.com / advisories/28377
security.freebsd.org / advisories/FreeBSD-SA-07:05.libarchive.asc
security.freebsd.org / patches/SA-07:05/libarchive.patch
Patch
security.gentoo.org / glsa/glsa-200708-03.xml
exchange.xforce.ibmcloud.com / vulnerabilities/35405
debian.org / security/2008/dsa-1455
novell.com / linux/security/advisories/2007_15_sr.html
securityfocus.com / bid/24885
Patch
securitytracker.com / id
vupen.com / english/advisories/2007/2521