Description
ClamAV before 0.100.1 has an HWP integer overflow with a resultant infinite loop via a crafted Hangul Word Processor file. This is in parsehwp3_paragraph() in libclamav/hwp.c.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | ClamAV before 0.100.1 unknown | ClamAV before 0.100.1 unknown | — |
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 | 0.100.1+dfsg-1 | — |
| Debian 13 | clamav | 0.100.1+dfsg-1 | — |
| Debian 12 | clamav | 0.100.1+dfsg-1 | — |
| Debian 8 | clamav | 0.100.1+dfsg-0+deb8u1 | DLA-1461-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | clamav | 0.100.1+dfsg-1ubuntu0.18.04.1 | USN-3722-1 |
| Ubuntu 16.04 LTS | clamav | 0.100.1+dfsg-1ubuntu0.16.04.1 | USN-3722-1 |
| Ubuntu 14.04 LTS | clamav | 0.100.1+dfsg-1ubuntu0.14.04.1 | USN-3722-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 | clamav | 0.100.1-3.3.1 | SUSE-SU-2018:2230-1 |
| SLES 12 SP3 | clamav | 0.100.1-33.15.2 | SUSE-SU-2018:2323-1 |
| SLES 12 SP2 | clamav | 0.100.1-33.15.2 | SUSE-SU-2018:2323-2, SUSE-SU-2018:2323-1 |
| SLES 12 SP1 | clamav | 0.100.1-33.15.2 | SUSE-SU-2018:2323-1 |
| SLES 12 | clamav | 0.100.1-33.15.2 | SUSE-SU-2018:2323-1 |
Show 9 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 11 SP4 | clamav | 0.100.1-0.20.15.1 | SUSE-SU-2018:2232-1 |
| SLES 11 SP3 | clamav | 0.100.1-0.20.15.1 | SUSE-SU-2018:2232-1 |
| SLES for SAP 12 SP3 | clamav | 0.100.1-33.15.2 | SUSE-SU-2018:2323-1 |
| SLES for SAP 12 SP2 | clamav | 0.100.1-33.15.2 | SUSE-SU-2018:2323-1 |
| SLES for SAP 12 SP1 | clamav | 0.100.1-33.15.2 | SUSE-SU-2018:2323-1 |
| SLES for SAP 11 SP4 | clamav | 0.100.1-0.20.15.1 | SUSE-SU-2018:2232-1 |
| SUSE OpenStack Cloud 7 | clamav | 0.100.1-33.15.2 | SUSE-SU-2018:2323-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | clamav | 0.100.1-0.20.15.1 | SUSE-SU-2018:2232-1 |
| SUSE Enterprise Storage 4 | clamav | 0.100.1-33.15.2 | SUSE-SU-2018:2323-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | clamav | 0.103.3-1.4 | openSUSE-SU-2024:10685-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | clamav | 0.100.1-r0 | — |
| Alpine v3.23 | clamav | 0.100.1-r0 | — |
| Alpine v3.22 | clamav | 0.100.1-r0 | — |
| Alpine v3.21 | clamav | 0.100.1-r0 | — |
| Alpine v3.20 | clamav | 0.100.1-r0 | — |
Show 15 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | clamav | 0.100.1-r0 | — |
| Alpine v3.18 | clamav | 0.100.1-r0 | — |
| Alpine v3.17 | clamav | 0.100.1-r0 | — |
| Alpine v3.16 | clamav | 0.100.1-r0 | — |
| Alpine v3.15 | clamav | 0.100.1-r0 | — |
| Alpine v3.14 | clamav | 0.100.1-r0 | — |
| Alpine v3.13 | clamav | 0.100.1-r0 | — |
| Alpine v3.12 | clamav | 0.100.1-r0 | — |
| Alpine v3.11 | clamav | 0.100.1-r0 | — |
| Alpine v3.10 | clamav | 0.100.1-r0 | — |
| Alpine v3.9 | clamav | 0.100.1-r0 | — |
| Alpine v3.8 | clamav | 0.100.1-r0 | — |
| Alpine v3.7 | clamav | 0.100.1-r0 | — |
| Alpine v3.6 | clamav | 0.100.1-r0 | — |
| Alpine v3.5 | clamav | 0.100.1-r0 | — |
Advisories 7
- USN-3722-1 clamav vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-1461-1 clamav - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2018:2323-2 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-2018:2323-1 Security update for clamav SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:2230-1 Security update for clamav SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:2232-1 Security update for clamav SUSE / openSUSE Security Updates · Feb 4, 2026
References
- 1041367 vdb-entry
- https://blog.clamav.net/2018/07/clamav-01001-has-been-released.html
- USN-3722-1 vendor-advisory
- https://secuniaresearch.flexerasoftware.com/secunia_research/2018-12/
- USN-3722-2 vendor-advisory
- [debian-lts-announce] 20180820 [SECURITY] [DLA 1461-1] clamav security update mailing-list
- GLSA-201904-12 vendor-advisory