Unrated severityNVD Advisory· Published May 13, 2013· Updated Jun 16, 2026
CVE-2013-2020
CVE-2013-2020
Description
Integer underflow in the cli_scanpe function in pe.c in ClamAV before 0.97.8 allows remote attackers to cause a denial of service (crash) via a skewed offset larger than the size of the PE section in a UPX packed executable, which triggers an out-of-bounds read.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
61cpe:2.3:a:clamav:clamav:*:*:*:*:*:*:*:*+ 53 more
- cpe:2.3:a:clamav:clamav:*:*:*:*:*:*:*:*range: <=0.97.7
- cpe:2.3:a:clamav:clamav:0.90:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.90.1:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.90.1_p0:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.90.2:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.90.2_p0:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.90.3:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.90.3_p0:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.90.3_p1:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.90:rc1:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.90:rc1.1:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.90:rc2:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.90:rc3:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.91:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.91.1:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.91.2:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.91.2_p0:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.91:rc1:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.91:rc2:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.92:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.92.1:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.92_p0:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.93:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.93.1:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.93.2:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.93.3:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.94:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.94.1:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.94.2:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.95:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.95.1:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.95.2:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.95.3:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.95:rc1:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.95:rc2:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.95:src1:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.95:src2:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.96:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.96.1:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.96.2:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.96.3:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.96.4:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.96.5:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.96:rc1:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.96:rc2:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.97:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.97.1:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.97.2:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.97.3:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.97.4:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.97.5:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.97:rc:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:0.9:rc1:*:*:*:*:*:*
- (no CPE)range: <0.97.8
cpe:2.3:o:canonical:ubuntu_linux:10.04:-:lts:*:*:*:*:*+ 4 more
- cpe:2.3:o:canonical:ubuntu_linux:10.04:-:lts:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:-:lts:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:13.04:*:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise_server:11.0:sp1:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:suse:linux_enterprise_server:11.0:sp1:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_server:11.0:sp2:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
21- blog.clamav.net/2013/04/clamav-0978-has-been-released.htmlnvdPatch
- secunia.com/advisories/53150nvdVendor Advisory
- secunia.com/advisories/53182nvdVendor Advisory
- lists.apple.com/archives/security-announce/2013/Sep/msg00002.htmlnvd
- lists.apple.com/archives/security-announce/2013/Sep/msg00004.htmlnvd
- lists.fedoraproject.org/pipermail/package-announce/2013-June/109514.htmlnvd
- lists.fedoraproject.org/pipermail/package-announce/2013-June/109639.htmlnvd
- lists.fedoraproject.org/pipermail/package-announce/2013-June/109652.htmlnvd
- lists.fedoraproject.org/pipermail/package-announce/2013-May/105575.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2014-12/msg00006.htmlnvd
- lists.opensuse.org/opensuse-updates/2013-06/msg00018.htmlnvd
- lists.opensuse.org/opensuse-updates/2013-06/msg00020.htmlnvd
- support.apple.com/kb/HT5880nvd
- support.apple.com/kb/HT5892nvd
- www.mandriva.com/security/advisoriesnvd
- www.openwall.com/lists/oss-security/2013/04/25/2nvd
- www.openwall.com/lists/oss-security/2013/04/29/20nvd
- www.securityfocus.com/bid/59434nvd
- www.ubuntu.com/usn/USN-1816-1nvd
- bugzilla.clamav.net/show_bug.cginvd
- github.com/vrtadmin/clamav-devel/commit/270e368b99e93aa5447d46c797c92c3f9f39f375nvd
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