CVE-2010-4666

Buffer overflow in libarchive 3.0 pre-release code allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted CAB file, which is not properly handled during the reading of Huffman code data within LZX compressed data.

Published: 2012-04-13 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2010-4666 is rated Moderate Risk (59.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.10%). Core evidence: EPSS rose +1.68% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2010-4666

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.43% 2.10% +1.68%
2 2025-03-30 0.69% 0.43% -0.27%
3 2025-03-29 0.69%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2010-4666

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-2010-4666

OS Trackers for CVE-2010-4666

vendor priority summary link
debian not yet assigned CVE-2010-4666 not yet assigned priority: Debian including 1 source packages (libarchive), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2010-4666
gentoo normal CVE-2010-4666: 1 GLSA(s) (201406-02), 1 atom(s) (app-arch/libarchive); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2010-4666
redhat medium https://access.redhat.com/security/cve/CVE-2010-4666
ubuntu medium CVE-2010-4666 medium priority: Ubuntu including 1 source packages (libarchive), 6 status rows across 6 suites (hardy, lucid, maverick, natty, oneiric, upstream): not-affected 4, ignored 1, needs-triage 1. https://ubuntu.com/security/CVE-2010-4666

Affected software / configurations for CVE-2010-4666

Vendor Product Version Raw CPE
freebsd libarchive 3.0 cpe:2.3:a:freebsd:libarchive:3.0:*:*:*:*:*:*:*

References for CVE-2010-4666

cvelogic Threat Intelligence