Description
ClamAV (aka Clam AntiVirus) before 0.99.2 allows remote attackers to cause a denial of service (application crash) via a crafted mew packer executable.
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 | 0.99.2+dfsg-1 | — |
| Debian 13 | clamav | 0.99.2+dfsg-1 | — |
| Debian 12 | clamav | 0.99.2+dfsg-1 | — |
| Debian 7 | clamav | 0.99.2+dfsg-0+deb7u2 | DLA-546-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | clamav | 0.99.2+dfsg-0ubuntu0.16.04.1 | USN-3093-1 |
| Ubuntu 14.04 LTS | clamav | 0.99.2+addedllvm-0ubuntu0.14.04.1 | USN-3093-1 |
Advisories 2
- USN-3093-1 clamav vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-546-1 clamav - security update Debian Security (DSA / DLA) · Mar 9, 2026