Description
The CLI_ISCONTAINED macro in libclamav/others.h in ClamAV before 0.95.1 allows remote attackers to cause a denial of service (application crash) via a malformed file with UPack encoding.
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 | 0.95.1+dfsg-1 | — |
| Debian 13 | clamav | 0.95.1+dfsg-1 | — |
| Debian 12 | clamav | 0.95.1+dfsg-1 | — |
| Debian 5.0 | clamav | 0.94.dfsg.2-1lenny2 | DSA-1771-1 |
| Debian 4.0 | clamav | 0.90.1dfsg-4etch19 | DSA-1771-1 |
Advisories 1
- DSA-1771-1 clamav - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- 53602 vdb-entry
- 1022028 vdb-entry
- 34716 third-party-advisory
- http://svn.clamav.net/websvn/filedetails.php?repname=clamav-devel&path=%2Ftrunk%2FChangeLog&rev=5032
- MDVSA-2009:097 vendor-advisory
- 34612 third-party-advisory
- USN-756-1 vendor-advisory
- APPLE-SA-2009-09-10-2 vendor-advisory
- ADV-2009-0985 vdb-entry
- DSA-1771 vendor-advisory
- 34654 third-party-advisory
- 34446 vdb-entry
- http://support.apple.com/kb/HT3865
- 36701 third-party-advisory
- https://launchpad.net/bugs/360502
- https://wwws.clamav.net/bugzilla/show_bug.cgi?id=1552