Description
The upx decoder in ClamAV before 0.98.7 allows remote attackers to cause a denial of service (crash) via a crafted 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 | 0.98.7+dfsg-1 | — |
| Debian 13 | clamav | 0.98.7+dfsg-1 | — |
| Debian 12 | clamav | 0.98.7+dfsg-1 | — |
| Debian 6.0 | clamav | 0.98.7+dfsg-0+deb6u1 | DLA-233-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | clamav | 0.98.7+dfsg-0ubuntu0.14.04.1 | USN-2594-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 | clamav | 0.98.7-13.1 | SUSE-SU-2015:0882-2, SUSE-SU-2015:0882-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 | clamav | 0.98.7-13.1 | SUSE-SU-2015:0882-2, SUSE-SU-2015:0882-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | clamav | 0.99.2-4.1 | openSUSE-SU-2024:10571-1 |
Advisories 5
- USN-2594-1 clamav vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DLA-233-1 clamav - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2015:0882-2 Security update for clamav SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10571-1 clamav-0.99.2-4.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:0882-1 Security update for clamav SUSE / openSUSE Security Updates · Feb 4, 2026
References
- USN-2594-1 vendor-advisory
- GLSA-201512-08 vendor-advisory
- http://blog.clamav.net/2015/04/clamav-0987-has-been-released.html
- 74443 vdb-entry
- openSUSE-SU-2015:0906 vendor-advisory