Description
Clam AntiVirus (ClamAV) 0.88 and earlier allows remote attackers to cause a denial of service (crash) via a malformed base64-encoded MIME attachment that triggers a null pointer dereference.
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 | 0.86-1 | — |
| Debian 13 | clamav | 0.86-1 | — |
| Debian 12 | clamav | 0.86-1 | — |
| Debian 3.1 | clamav | 0.84-2.sarge.12 | DSA-1232-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | clamav | 0.103.3-1.4 | openSUSE-SU-2024:10685-1 |
Advisories 2
- DSA-1232-1 clamav 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
- 23327 third-party-advisory
- DSA-1232 vendor-advisory
- SUSE-SA:2006:078 vendor-advisory
- 21510 vdb-entry
- MDKSA-2006:230 vendor-advisory
- 23411 third-party-advisory
- 23362 third-party-advisory