Description
Integer overflow in the cli_scanpe function in the PE header parser (libclamav/pe.c) in Clam AntiVirus (ClamAV) before 0.88.1, when ArchiveMaxFileSize is disabled, allows remote attackers to cause a denial of service and possibly execute arbitrary code.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | clamav | 0.88.1-1 | — |
| Debian 13 | clamav | 0.88.1-1 | — |
| Debian 12 | clamav | 0.88.1-1 | — |
| Debian 3.1 | clamav | 0.84-2.sarge.8 | DSA-1024-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | clamav | 0.103.3-1.4 | openSUSE-SU-2024:10685-1 |
Advisories 2
- DSA-1024-1 clamav - heap overflow Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10685-1 clamav-0.103.3-1.4 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- 19567 third-party-advisory
- 17951 vdb-entry
- ADV-2006-1258 vdb-entry
- ADV-2006-1779 vdb-entry
- TA06-132A third-party-advisory
- http://sourceforge.net/project/shownotes.php?release_id=407078&group_id=86638
- clamav-pe-overflow(25660) vdb-entry
- 24457 vdb-entry
- 1015887 vdb-entry
- 19570 third-party-advisory
- http://up2date.astaro.com/2006/05/low_up2date_6202.html
- GLSA-200604-06 vendor-advisory
- 19608 third-party-advisory
- 19534 third-party-advisory
- 19564 third-party-advisory
- 19536 third-party-advisory
- APPLE-SA-2006-05-11 vendor-advisory
- SUSE-SA:2006:020 vendor-advisory
- MDKSA-2006:067 vendor-advisory
- 17388 vdb-entry
- DSA-1024 vendor-advisory
- 23719 third-party-advisory
- 20077 third-party-advisory
- 2006-0020 vendor-advisory
- http://www.overflow.pl/adv/clamavupxinteger.txt
- 20060406 [Overflow.pl] Clam AntiVirus Win32-UPX Heap Overflow (not default configuration) mailing-list