# CVE-2023-20197: clamav: Fixed a possible denial of service vulnerability in

CVE-2023-20197 is fixed in 22 products on 1 platform, first by clamav 0.103.9+dfsg-0ubuntu0.18.04.1+esm1, released August 16, 2023. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2023-20197
- Priority: High
- CVSS: 7.5 (important)
- EPSS: 0.0117
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 16, 2023

## Description

Fixed a possible denial of service vulnerability in

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | clamav Debian 12.15 (bookworm) | 1.0.2+dfsg-1~deb12u1 | [DEBIAN-CVE-2023-20197](https://patchblox.com/security/data/fix/linux/debian-cve-2023-20197.md) | Aug 16, 2023 |
| Linux | clamav Debian 13.5 (trixie) | 1.0.2+dfsg-1 | [DEBIAN-CVE-2023-20197](https://patchblox.com/security/data/fix/linux/debian-cve-2023-20197.md) | Aug 16, 2023 |
| Linux | clamav Debian 14 | 1.0.2+dfsg-1 | [DEBIAN-CVE-2023-20197](https://patchblox.com/security/data/fix/linux/debian-cve-2023-20197.md) | Aug 16, 2023 |
| Linux | clamav Ubuntu 18.04.6 LTS (bionic) | 0.103.9+dfsg-0ubuntu0.18.04.1+esm1 | [clamav 0.103.9+dfsg-0ubuntu0.18.04.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-clamav-0.103.9-dfsg-0ubuntu0.18.04.1-esm1.md) | Aug 16, 2023 |
| Linux | clamav Ubuntu 20.04 LTS (focal) | 0.103.9+dfsg-0ubuntu0.20.04.1 | [clamav 0.103.9+dfsg-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-clamav-0.103.9-dfsg-0ubuntu0.20.04.1.md) | Aug 16, 2023 |
| Linux | clamav Ubuntu 22.04.1 LTS (jammy) | 0.103.9+dfsg-0ubuntu0.22.04.1 | [clamav 0.103.9+dfsg-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-clamav-0.103.9-dfsg-0ubuntu0.22.04.1.md) | Aug 16, 2023 |
| Linux | clamav amzn 2023 | 0.103.9-1.amzn2023.0.2 | [ALAS2023-2023-331](https://patchblox.com/security/data/fix/linux/alas2023-2023-331.md) | Aug 31, 2023 |
| Linux | clamav opensuse-leap 15.6 | 1.4.2-150600.18.6.1 | [SUSE-SU-2025:0327-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0327-1.md) | Feb 3, 2025 |
| Linux | clamav sles 15.6 | 1.4.2-150600.18.6.1 | [SUSE-SU-2025:0327-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0327-1.md) | Feb 3, 2025 |
| Linux | clamav-base Ubuntu 18.04.6 LTS (bionic) | 0.103.9+dfsg-0ubuntu0.18.04.1+esm1 | [clamav-base 0.103.9+dfsg-0ubuntu0.18.04.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-clamav-base-0.103.9-dfsg-0ubuntu0.18.04.1-esm1.md) | Aug 16, 2023 |
| Linux | clamav-base Ubuntu 20.04 LTS (focal) | 0.103.9+dfsg-0ubuntu0.20.04.1 | [clamav-base 0.103.9+dfsg-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-clamav-base-0.103.9-dfsg-0ubuntu0.20.04.1.md) | Aug 16, 2023 |
| Linux | clamav-base Ubuntu 22.04.1 LTS (jammy) | 0.103.9+dfsg-0ubuntu0.22.04.1 | [clamav-base 0.103.9+dfsg-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-clamav-base-0.103.9-dfsg-0ubuntu0.22.04.1.md) | Aug 16, 2023 |
| Linux | clamav-daemon Ubuntu 18.04.6 LTS (bionic) | 0.103.9+dfsg-0ubuntu0.18.04.1+esm1 | [clamav-daemon 0.103.9+dfsg-0ubuntu0.18.04.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-clamav-daemon-0.103.9-dfsg-0ubuntu0.18.04.1-esm1.md) | Aug 16, 2023 |
| Linux | clamav-daemon Ubuntu 20.04 LTS (focal) | 0.103.9+dfsg-0ubuntu0.20.04.1 | [clamav-daemon 0.103.9+dfsg-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-clamav-daemon-0.103.9-dfsg-0ubuntu0.20.04.1.md) | Aug 16, 2023 |
| Linux | clamav-daemon Ubuntu 22.04.1 LTS (jammy) | 0.103.9+dfsg-0ubuntu0.22.04.1 | [clamav-daemon 0.103.9+dfsg-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-clamav-daemon-0.103.9-dfsg-0ubuntu0.22.04.1.md) | Aug 16, 2023 |
| Linux | clamav-data amzn 2023 | 0.103.9-1.amzn2023.0.2 | [ALAS2023-2023-331](https://patchblox.com/security/data/fix/linux/alas2023-2023-331.md) | Aug 31, 2023 |
| Linux | clamav-debuginfo amzn 2023 | 0.103.9-1.amzn2023.0.2 | [ALAS2023-2023-331](https://patchblox.com/security/data/fix/linux/alas2023-2023-331.md) | Aug 31, 2023 |
| Linux | clamav-debugsource amzn 2023 | 0.103.9-1.amzn2023.0.2 | [ALAS2023-2023-331](https://patchblox.com/security/data/fix/linux/alas2023-2023-331.md) | Aug 31, 2023 |
| Linux | clamav-devel amzn 2023 | 0.103.9-1.amzn2023.0.2 | [ALAS2023-2023-331](https://patchblox.com/security/data/fix/linux/alas2023-2023-331.md) | Aug 31, 2023 |
| Linux | clamav-doc amzn 2023 | 0.103.9-1.amzn2023.0.2 | [ALAS2023-2023-331](https://patchblox.com/security/data/fix/linux/alas2023-2023-331.md) | Aug 31, 2023 |
| Linux | clamav-docs Ubuntu 18.04.6 LTS (bionic) | 0.103.9+dfsg-0ubuntu0.18.04.1+esm1 | [clamav-docs 0.103.9+dfsg-0ubuntu0.18.04.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-clamav-docs-0.103.9-dfsg-0ubuntu0.18.04.1-esm1.md) | Aug 16, 2023 |
| Linux | clamav-docs Ubuntu 20.04 LTS (focal) | 0.103.9+dfsg-0ubuntu0.20.04.1 | [clamav-docs 0.103.9+dfsg-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-clamav-docs-0.103.9-dfsg-0ubuntu0.20.04.1.md) | Aug 16, 2023 |
| Linux | clamav-docs Ubuntu 22.04.1 LTS (jammy) | 0.103.9+dfsg-0ubuntu0.22.04.1 | [clamav-docs 0.103.9+dfsg-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-clamav-docs-0.103.9-dfsg-0ubuntu0.22.04.1.md) | Aug 16, 2023 |
| Linux | clamav-filesystem amzn 2023 | 0.103.9-1.amzn2023.0.2 | [ALAS2023-2023-331](https://patchblox.com/security/data/fix/linux/alas2023-2023-331.md) | Aug 31, 2023 |
| Linux | clamav-freshclam Ubuntu 18.04.6 LTS (bionic) | 0.103.9+dfsg-0ubuntu0.18.04.1+esm1 | [clamav-freshclam 0.103.9+dfsg-0ubuntu0.18.04.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-clamav-freshclam-0.103.9-dfsg-0ubuntu0.18.04.1-esm1.md) | Aug 16, 2023 |
| Linux | clamav-freshclam Ubuntu 20.04 LTS (focal) | 0.103.9+dfsg-0ubuntu0.20.04.1 | [clamav-freshclam 0.103.9+dfsg-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-clamav-freshclam-0.103.9-dfsg-0ubuntu0.20.04.1.md) | Aug 16, 2023 |
| Linux | clamav-freshclam Ubuntu 22.04.1 LTS (jammy) | 0.103.9+dfsg-0ubuntu0.22.04.1 | [clamav-freshclam 0.103.9+dfsg-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-clamav-freshclam-0.103.9-dfsg-0ubuntu0.22.04.1.md) | Aug 16, 2023 |
| Linux | clamav-lib amzn 2023 | 0.103.9-1.amzn2023.0.2 | [ALAS2023-2023-331](https://patchblox.com/security/data/fix/linux/alas2023-2023-331.md) | Aug 31, 2023 |
| Linux | clamav-lib-debuginfo amzn 2023 | 0.103.9-1.amzn2023.0.2 | [ALAS2023-2023-331](https://patchblox.com/security/data/fix/linux/alas2023-2023-331.md) | Aug 31, 2023 |
| Linux | clamav-milter Ubuntu 18.04.6 LTS (bionic) | 0.103.9+dfsg-0ubuntu0.18.04.1+esm1 | [clamav-milter 0.103.9+dfsg-0ubuntu0.18.04.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-clamav-milter-0.103.9-dfsg-0ubuntu0.18.04.1-esm1.md) | Aug 16, 2023 |
| Linux | clamav-milter Ubuntu 20.04 LTS (focal) | 0.103.9+dfsg-0ubuntu0.20.04.1 | [clamav-milter 0.103.9+dfsg-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-clamav-milter-0.103.9-dfsg-0ubuntu0.20.04.1.md) | Aug 16, 2023 |
| Linux | clamav-milter Ubuntu 22.04.1 LTS (jammy) | 0.103.9+dfsg-0ubuntu0.22.04.1 | [clamav-milter 0.103.9+dfsg-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-clamav-milter-0.103.9-dfsg-0ubuntu0.22.04.1.md) | Aug 16, 2023 |
| Linux | clamav-milter amzn 2023 | 0.103.9-1.amzn2023.0.2 | [ALAS2023-2023-331](https://patchblox.com/security/data/fix/linux/alas2023-2023-331.md) | Aug 31, 2023 |
| Linux | clamav-milter-debuginfo amzn 2023 | 0.103.9-1.amzn2023.0.2 | [ALAS2023-2023-331](https://patchblox.com/security/data/fix/linux/alas2023-2023-331.md) | Aug 31, 2023 |
| Linux | clamav-testfiles Ubuntu 18.04.6 LTS (bionic) | 0.103.9+dfsg-0ubuntu0.18.04.1+esm1 | [clamav-testfiles 0.103.9+dfsg-0ubuntu0.18.04.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-clamav-testfiles-0.103.9-dfsg-0ubuntu0.18.04.1-esm1.md) | Aug 16, 2023 |
| Linux | clamav-testfiles Ubuntu 20.04 LTS (focal) | 0.103.9+dfsg-0ubuntu0.20.04.1 | [clamav-testfiles 0.103.9+dfsg-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-clamav-testfiles-0.103.9-dfsg-0ubuntu0.20.04.1.md) | Aug 16, 2023 |
| Linux | clamav-testfiles Ubuntu 22.04.1 LTS (jammy) | 0.103.9+dfsg-0ubuntu0.22.04.1 | [clamav-testfiles 0.103.9+dfsg-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-clamav-testfiles-0.103.9-dfsg-0ubuntu0.22.04.1.md) | Aug 16, 2023 |
| Linux | clamav-update amzn 2023 | 0.103.9-1.amzn2023.0.2 | [ALAS2023-2023-331](https://patchblox.com/security/data/fix/linux/alas2023-2023-331.md) | Aug 31, 2023 |
| Linux | clamav-update-debuginfo amzn 2023 | 0.103.9-1.amzn2023.0.2 | [ALAS2023-2023-331](https://patchblox.com/security/data/fix/linux/alas2023-2023-331.md) | Aug 31, 2023 |
| Linux | clamd amzn 2023 | 0.103.9-1.amzn2023.0.2 | [ALAS2023-2023-331](https://patchblox.com/security/data/fix/linux/alas2023-2023-331.md) | Aug 31, 2023 |
| Linux | clamd-debuginfo amzn 2023 | 0.103.9-1.amzn2023.0.2 | [ALAS2023-2023-331](https://patchblox.com/security/data/fix/linux/alas2023-2023-331.md) | Aug 31, 2023 |
| Linux | clamdscan Ubuntu 18.04.6 LTS (bionic) | 0.103.9+dfsg-0ubuntu0.18.04.1+esm1 | [clamdscan 0.103.9+dfsg-0ubuntu0.18.04.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-clamdscan-0.103.9-dfsg-0ubuntu0.18.04.1-esm1.md) | Aug 16, 2023 |
| Linux | clamdscan Ubuntu 20.04 LTS (focal) | 0.103.9+dfsg-0ubuntu0.20.04.1 | [clamdscan 0.103.9+dfsg-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-clamdscan-0.103.9-dfsg-0ubuntu0.20.04.1.md) | Aug 16, 2023 |
| Linux | clamdscan Ubuntu 22.04.1 LTS (jammy) | 0.103.9+dfsg-0ubuntu0.22.04.1 | [clamdscan 0.103.9+dfsg-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-clamdscan-0.103.9-dfsg-0ubuntu0.22.04.1.md) | Aug 16, 2023 |
| Linux | libclamav9 Ubuntu 18.04.6 LTS (bionic) | 0.103.9+dfsg-0ubuntu0.18.04.1+esm1 | [libclamav9 0.103.9+dfsg-0ubuntu0.18.04.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libclamav9-0.103.9-dfsg-0ubuntu0.18.04.1-esm1.md) | Aug 16, 2023 |
| Linux | libclamav9 Ubuntu 20.04 LTS (focal) | 0.103.9+dfsg-0ubuntu0.20.04.1 | [libclamav9 0.103.9+dfsg-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libclamav9-0.103.9-dfsg-0ubuntu0.20.04.1.md) | Aug 16, 2023 |
| Linux | libclamav9 Ubuntu 22.04.1 LTS (jammy) | 0.103.9+dfsg-0ubuntu0.22.04.1 | [libclamav9 0.103.9+dfsg-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libclamav9-0.103.9-dfsg-0ubuntu0.22.04.1.md) | Aug 16, 2023 |

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