Description
A vulnerability in the Data-Loss-Prevention (DLP) module in Clam AntiVirus (ClamAV) Software versions 0.102.1 and 0.102.0 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to an out-of-bounds read affecting users that have enabled the optional DLP feature. An attacker could exploit this vulnerability by sending a crafted email file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process crash, resulting in a denial of service condition.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Cisco | ClamAV | 0.102.1 | — |
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 | 0.102.2+dfsg-1 | — |
| Debian 13 | clamav | 0.102.2+dfsg-1 | — |
| Debian 12 | clamav | 0.102.2+dfsg-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | clamav | 0.102.2+dfsg-0ubuntu0.18.04.1 | USN-4280-1 |
| Ubuntu 16.04 LTS | clamav | 0.102.2+dfsg-0ubuntu0.16.04.1 | USN-4280-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | clamav | 0.102.2+dfsg-0ubuntu0.14.04.1+esm1 | USN-4280-2 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | clamav | 0.103.0-3.23.1 | SUSE-SU-2020:3790-1 |
| SLES 15 SP1 | clamav | 0.103.0-3.23.1 | SUSE-SU-2020:3790-1 |
| SLES 12 SP5 | clamav | 0.103.0-3.3.1 | SUSE-SU-2020:3729-1 |
| SLES 12 SP4 | clamav | 0.103.0-33.32.1 | SUSE-SU-2020:3918-1 |
| SLES 12 SP3 | clamav | 0.103.0-33.32.1 | SUSE-SU-2020:3918-1 |
Show 14 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | clamav | 0.103.0-33.32.1 | SUSE-SU-2020:3918-1 |
| SLES 11 SP4 | clamav | 0.103.0-0.20.32.1 | SUSE-SU-2021:14592-1 |
| SLES for SAP 12 SP5 | clamav | 0.103.0-3.3.1 | SUSE-SU-2020:3729-1 |
| SLES for SAP 12 SP4 | clamav | 0.103.0-33.32.1 | SUSE-SU-2020:3918-1 |
| SLES for SAP 12 SP3 | clamav | 0.103.0-33.32.1 | SUSE-SU-2020:3918-1 |
| SLES for SAP 12 SP2 | clamav | 0.103.0-33.32.1 | SUSE-SU-2020:3918-1 |
| SUSE OpenStack Cloud Crowbar 9 | clamav | 0.103.0-33.32.1 | SUSE-SU-2020:3918-1 |
| SUSE OpenStack Cloud Crowbar 8 | clamav | 0.103.0-33.32.1 | SUSE-SU-2020:3918-1 |
| SUSE OpenStack Cloud 9 | clamav | 0.103.0-33.32.1 | SUSE-SU-2020:3918-1 |
| SUSE OpenStack Cloud 8 | clamav | 0.103.0-33.32.1 | SUSE-SU-2020:3918-1 |
| SUSE OpenStack Cloud 7 | clamav | 0.103.0-33.32.1 | SUSE-SU-2020:3918-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | clamav | 0.103.0-0.20.32.1 | SUSE-SU-2021:14592-1 |
| SUSE HPE Helion OpenStack 8 | clamav | 0.103.0-33.32.1 | SUSE-SU-2020:3918-1 |
| SUSE Enterprise Storage 5 | clamav | 0.103.0-33.32.1 | SUSE-SU-2020:3918-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | clamav | 0.103.3-1.4 | openSUSE-SU-2024:10685-1 |
| openSUSE Leap 15.2 | clamav | 0.103.0-lp152.6.3.1 | openSUSE-SU-2020:2276-1 |
| openSUSE Leap 15.1 | clamav | 0.103.0-lp151.2.12.1 | openSUSE-SU-2020:2268-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | clamav | 0.102.1-r0 | — |
| Alpine v3.23 | clamav | 0.102.1-r0 | — |
| Alpine v3.22 | clamav | 0.102.1-r0 | — |
| Alpine v3.21 | clamav | 0.102.1-r0 | — |
| Alpine v3.20 | clamav | 0.102.1-r0 | — |
Show 9 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | clamav | 0.102.1-r0 | — |
| Alpine v3.18 | clamav | 0.102.1-r0 | — |
| Alpine v3.17 | clamav | 0.102.1-r0 | — |
| Alpine v3.16 | clamav | 0.102.1-r0 | — |
| Alpine v3.15 | clamav | 0.102.1-r0 | — |
| Alpine v3.14 | clamav | 0.102.1-r0 | — |
| Alpine v3.13 | clamav | 0.102.1-r0 | — |
| Alpine v3.12 | clamav | 0.102.1-r0 | — |
| Alpine v3.11 | clamav | 0.102.1-r0 | — |
Advisories 9
- USN-4280-2 clamav vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- USN-4280-1 clamav vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- openSUSE-SU-2020:2276-1 Security update for clamav SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:2268-1 Security update for clamav SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:3790-1 Security update for clamav SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10685-1 clamav-0.103.3-1.4 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:3729-1 Security update for clamav SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:14592-1 Security update for clamav SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:3918-1 Security update for clamav SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs59062 vendor-advisory
- https://blog.clamav.net/2020/02/clamav-01022-security-patch-released.html
- USN-4280-1 vendor-advisory
- USN-4280-2 vendor-advisory
- GLSA-202003-46 vendor-advisory