Description
ClamAV 0.92 does not recognize Base64 UUEncoded archives, which allows remote attackers to bypass the scanner via a Base64-UUEncoded file.
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 | 0.92.1~dfsg-1 | — |
| Debian 13 | clamav | 0.92.1~dfsg-1 | — |
| Debian 12 | clamav | 0.92.1~dfsg-1 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | clamav | 0.103.3-1.4 | openSUSE-SU-2024:10685-1 |
Advisories 1
- openSUSE-SU-2024:10685-1 clamav-0.103.3-1.4 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- 3501 third-party-advisory
- 29891 third-party-advisory
- clamantivirus-base64uue-security-bypass(39337) vdb-entry
- 27064 vdb-entry
- 1019148 vdb-entry
- SUSE-SA:2008:024 vendor-advisory
- 20071229 TK53 Advisory #2: Multiple vulnerabilities in ClamAV mailing-list