CVE-2013-2020

medium
Published 2013-05-13 ยท Modified 2026-04-29
CVSS v3
โ€”
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
5.0

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.

Predictions

Exploit likelihood
20%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed0.97.8+dfsg-1
debian debianbullseyefixed0.97.8+dfsg-1
debian debianforkyfixed0.97.8+dfsg-1
debian debiansidfixed0.97.8+dfsg-1
debian debiantrixiefixed0.97.8+dfsg-1
ubuntu ubuntu10.04affected
ubuntu ubuntu11.10affected
ubuntu ubuntu12.04affected
ubuntu ubuntu12.10affected
ubuntu ubuntu13.04affected
suse suse11.0affected

Application impact

VendorProductVersionsFixed
clamavclamav{"endIncluding":"0.97.7"}
clamavclamav0.9
clamavclamav0.90
clamavclamav0.90.1
clamavclamav0.90.1_p0
clamavclamav0.90.2
clamavclamav0.90.2_p0
clamavclamav0.90.3
clamavclamav0.90.3_p0
clamavclamav0.90.3_p1
clamavclamav0.91
clamavclamav0.91.1
clamavclamav0.91.2
clamavclamav0.91.2_p0
clamavclamav0.92
clamavclamav0.92.1
clamavclamav0.92_p0
clamavclamav0.93
clamavclamav0.93.1
clamavclamav0.93.2
clamavclamav0.93.3
clamavclamav0.94
clamavclamav0.94.1
clamavclamav0.94.2
clamavclamav0.95
clamavclamav0.95.1
clamavclamav0.95.2
clamavclamav0.95.3
clamavclamav0.96
clamavclamav0.96.1
clamavclamav0.96.2
clamavclamav0.96.3
clamavclamav0.96.4
clamavclamav0.96.5
clamavclamav0.97
clamavclamav0.97.1
clamavclamav0.97.2
clamavclamav0.97.3
clamavclamav0.97.4
clamavclamav0.97.5

References

CWEs

CWE-189

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.