CVE-2010-0405

Integer overflow in the BZ2_decompress function in decompress.c in bzip2 and libbzip2 before 1.0.6 allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted compressed file.

Published: 2010-09-28 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2010-0405 is rated Moderate Risk (51.2/100): CVSS Medium severity, with high exploitation likelihood (EPSS 7.69%, 92th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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-2010-0405

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 2026-03-16 9.05% 7.69% -1.36%
2 2026-02-20 9.21% 9.05% -0.16%
3 2025-03-30 9.21%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2010-0405

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.1 2.0 MEDIUM
AV:N/AC:H/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:H)
Exploitation requires uncommon or highly specific conditions.
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.
4.9 6.4 [email protected]

Weakness enumeration for CVE-2010-0405

OS Trackers for CVE-2010-0405

vendor priority summary link
debian not yet assigned CVE-2010-0405 not yet assigned priority: Debian including 2 source packages (bzip2, clamav), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 10. https://security-tracker.debian.org/tracker/CVE-2010-0405
gentoo normal CVE-2010-0405: 2 GLSA(s) (201110-20, 201301-05), 2 atom(s) (app-antivirus/clamav, app-arch/bzip2); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2010-0405
redhat high https://access.redhat.com/security/cve/CVE-2010-0405
suse medium CVE-2010-0405 severity moderate: SUSE including 70 source package names (bzip2-1.0.5-34.253.1, bzip2-1.0.6-27.1129, …), 144 product×package rows across 34 product lines (SUSE Linux Enterprise Desktop 12, SUSE Linux Enterprise Desktop 12 SP1, … (34 product lines)): Fixed 144. https://www.suse.com/security/cve/CVE-2010-0405/
ubuntu medium CVE-2010-0405 medium priority: Ubuntu including 4 source packages (bzip2, clamav, dpkg, dump), 24 status rows across 6 suites (dapper, hardy, jaunty, karmic, lucid, upstream): released 21, not-affected 2, needs-triage 1. https://ubuntu.com/security/CVE-2010-0405

Affected software / configurations for CVE-2010-0405

Vendor Product Version Raw CPE
bzip bzip2 <= 1.0.5 cpe:2.3:a:bzip:bzip2:*:*:*:*:*:*:*:*
bzip bzip2 0.9 cpe:2.3:a:bzip:bzip2:0.9:*:*:*:*:*:*:*
bzip bzip2 0.9.0 cpe:2.3:a:bzip:bzip2:0.9.0:*:*:*:*:*:*:*
bzip bzip2 0.9.0a cpe:2.3:a:bzip:bzip2:0.9.0a:*:*:*:*:*:*:*
bzip bzip2 0.9.0b cpe:2.3:a:bzip:bzip2:0.9.0b:*:*:*:*:*:*:*
bzip bzip2 0.9.0c cpe:2.3:a:bzip:bzip2:0.9.0c:*:*:*:*:*:*:*
bzip bzip2 0.9.5_a cpe:2.3:a:bzip:bzip2:0.9.5_a:*:*:*:*:*:*:*
bzip bzip2 0.9.5_b cpe:2.3:a:bzip:bzip2:0.9.5_b:*:*:*:*:*:*:*
bzip bzip2 0.9.5_c cpe:2.3:a:bzip:bzip2:0.9.5_c:*:*:*:*:*:*:*
bzip bzip2 0.9.5_d cpe:2.3:a:bzip:bzip2:0.9.5_d:*:*:*:*:*:*:*
bzip bzip2 0.9.5a cpe:2.3:a:bzip:bzip2:0.9.5a:*:*:*:*:*:*:*
bzip bzip2 0.9.5b cpe:2.3:a:bzip:bzip2:0.9.5b:*:*:*:*:*:*:*
bzip bzip2 0.9.5c cpe:2.3:a:bzip:bzip2:0.9.5c:*:*:*:*:*:*:*
bzip bzip2 0.9.5d cpe:2.3:a:bzip:bzip2:0.9.5d:*:*:*:*:*:*:*
bzip bzip2 0.9_a cpe:2.3:a:bzip:bzip2:0.9_a:*:*:*:*:*:*:*
bzip bzip2 0.9_b cpe:2.3:a:bzip:bzip2:0.9_b:*:*:*:*:*:*:*
bzip bzip2 0.9_c cpe:2.3:a:bzip:bzip2:0.9_c:*:*:*:*:*:*:*
bzip bzip2 1.0 cpe:2.3:a:bzip:bzip2:1.0:*:*:*:*:*:*:*
bzip bzip2 1.0.1 cpe:2.3:a:bzip:bzip2:1.0.1:*:*:*:*:*:*:*
bzip bzip2 1.0.2 cpe:2.3:a:bzip:bzip2:1.0.2:*:*:*:*:*:*:*
bzip bzip2 1.0.3 cpe:2.3:a:bzip:bzip2:1.0.3:*:*:*:*:*:*:*
bzip bzip2 1.0.4 cpe:2.3:a:bzip:bzip2:1.0.4:*:*:*:*:*:*:*
libzip2 libzip2 <= 1.0.5 cpe:2.3:a:libzip2:libzip2:*:*:*:*:*:*:*:*

References for CVE-2010-0405

URL Tags
http://blogs.sun.com/security/entry/cve_2010_0405_integer_overflow
http://git.clamav.net/gitweb?p=clamav-devel.git%3Ba=blob_plain%3Bf=ChangeLog%3Bhb=clamav-0.96.3
http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-November/051278.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-November/051366.html
http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00000.html
http://marc.info/?l=oss-security&m=128506868510655&w=2
http://secunia.com/advisories/41452 Vendor Advisory
http://secunia.com/advisories/41505
http://secunia.com/advisories/42350
http://secunia.com/advisories/42404
http://secunia.com/advisories/42405
http://secunia.com/advisories/42529
http://secunia.com/advisories/42530
http://secunia.com/advisories/48378
http://security.gentoo.org/glsa/glsa-201301-05.xml
http://support.apple.com/kb/HT4581
http://www.bzip.org/
http://www.redhat.com/support/errata/RHSA-2010-0703.html
http://www.redhat.com/support/errata/RHSA-2010-0858.html
http://www.securityfocus.com/archive/1/515055/100/0/threaded
http://www.ubuntu.com/usn/USN-986-2
http://www.ubuntu.com/usn/USN-986-3
http://www.ubuntu.com/usn/usn-986-1
http://www.vmware.com/security/advisories/VMSA-2010-0019.html
http://www.vupen.com/english/advisories/2010/2455
http://www.vupen.com/english/advisories/2010/3043
http://www.vupen.com/english/advisories/2010/3052
http://www.vupen.com/english/advisories/2010/3073
http://www.vupen.com/english/advisories/2010/3126
http://www.vupen.com/english/advisories/2010/3127
http://xorl.wordpress.com/2010/09/21/cve-2010-0405-bzip2-integer-overflow/
https://bugzilla.redhat.com/show_bug.cgi?id=627882
https://wwws.clamav.net/bugzilla/show_bug.cgi?id=2230
https://wwws.clamav.net/bugzilla/show_bug.cgi?id=2231
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