CVE-2022-20770
clamav: On April 20, 2022, the following vulnerability in the ClamAV scanning library versions 0.103.5 and earlier and 0.104....
CVE-2022-20770 is fixed in 21 products on 1 platform, first by DEBIAN-CVE-2022-20770, released May 4, 2022. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.5
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0707
94th percentile
On April 20, 2022, the following vulnerability in the ClamAV scanning library versions 0.103.5 and earlier and 0.104.2 and earlier was disclosed: A vulnerability in CHM file parser of Clam AntiVirus (ClamAV) versions 0.104.0 through 0.104.2 and LTS version 0.103.5 and prior versions could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. For a description of this vulnerability, see the ClamAV blog. This advisory will be updated as additional information becomes available.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| clamav · Debian 12.15 (bookworm) | 0.103.6+dfsg-1 | DEBIAN-CVE-2022-20770 | May 4, 2022 |
| clamav · Debian 13.5 (trixie) | 0.103.6+dfsg-1 | DEBIAN-CVE-2022-20770 | May 4, 2022 |
| clamav · Debian 14 | 0.103.6+dfsg-1 | DEBIAN-CVE-2022-20770 | May 4, 2022 |
| clamav · Ubuntu 18.04.6 LTS (bionic) | 0.103.6+dfsg-0ubuntu0.18.04.1 | clamav 0.103.6+dfsg-0ubuntu0.18.04.1 | May 6, 2022 |
| clamav · Ubuntu 20.04 LTS (focal) | 0.103.6+dfsg-0ubuntu0.20.04.1 | clamav 0.103.6+dfsg-0ubuntu0.20.04.1 | May 6, 2022 |
| clamav · Ubuntu 22.04.1 LTS (jammy) | 0.103.6+dfsg-0ubuntu0.22.04.1 | clamav 0.103.6+dfsg-0ubuntu0.22.04.1 | May 6, 2022 |
| clamav · amzn 2023 | 0.103.7-1.amzn2023.0.3 | ALAS2023-2023-052 | Feb 17, 2023 |
| clamav-base · Ubuntu 18.04.6 LTS (bionic) | 0.103.6+dfsg-0ubuntu0.18.04.1 | clamav-base 0.103.6+dfsg-0ubuntu0.18.04.1 | May 6, 2022 |
| clamav-base · Ubuntu 20.04 LTS (focal) | 0.103.6+dfsg-0ubuntu0.20.04.1 | clamav-base 0.103.6+dfsg-0ubuntu0.20.04.1 | May 6, 2022 |
| clamav-base · Ubuntu 22.04.1 LTS (jammy) | 0.103.6+dfsg-0ubuntu0.22.04.1 | clamav-base 0.103.6+dfsg-0ubuntu0.22.04.1 | May 6, 2022 |
| clamav-daemon · Ubuntu 18.04.6 LTS (bionic) | 0.103.6+dfsg-0ubuntu0.18.04.1 | clamav-daemon 0.103.6+dfsg-0ubuntu0.18.04.1 | May 6, 2022 |
| clamav-daemon · Ubuntu 20.04 LTS (focal) | 0.103.6+dfsg-0ubuntu0.20.04.1 | clamav-daemon 0.103.6+dfsg-0ubuntu0.20.04.1 | May 6, 2022 |
| clamav-daemon · Ubuntu 22.04.1 LTS (jammy) | 0.103.6+dfsg-0ubuntu0.22.04.1 | clamav-daemon 0.103.6+dfsg-0ubuntu0.22.04.1 | May 6, 2022 |
| clamav-data · amzn 2023 | 0.103.7-1.amzn2023.0.3 | ALAS2023-2023-052 | Feb 17, 2023 |
| clamav-debuginfo · amzn 2023 | 0.103.7-1.amzn2023.0.3 | ALAS2023-2023-052 | Feb 17, 2023 |
| clamav-debugsource · amzn 2023 | 0.103.7-1.amzn2023.0.3 | ALAS2023-2023-052 | Feb 17, 2023 |
| clamav-devel · amzn 2023 | 0.103.7-1.amzn2023.0.3 | ALAS2023-2023-052 | Feb 17, 2023 |
| clamav-docs · Ubuntu 18.04.6 LTS (bionic) | 0.103.6+dfsg-0ubuntu0.18.04.1 | clamav-docs 0.103.6+dfsg-0ubuntu0.18.04.1 | May 6, 2022 |
| clamav-docs · Ubuntu 20.04 LTS (focal) | 0.103.6+dfsg-0ubuntu0.20.04.1 | clamav-docs 0.103.6+dfsg-0ubuntu0.20.04.1 | May 6, 2022 |
| clamav-docs · Ubuntu 22.04.1 LTS (jammy) | 0.103.6+dfsg-0ubuntu0.22.04.1 | clamav-docs 0.103.6+dfsg-0ubuntu0.22.04.1 | May 6, 2022 |
| clamav-filesystem · amzn 2023 | 0.103.7-1.amzn2023.0.3 | ALAS2023-2023-052 | Feb 17, 2023 |
| clamav-freshclam · Ubuntu 18.04.6 LTS (bionic) | 0.103.6+dfsg-0ubuntu0.18.04.1 | clamav-freshclam 0.103.6+dfsg-0ubuntu0.18.04.1 | May 6, 2022 |
| clamav-freshclam · Ubuntu 20.04 LTS (focal) | 0.103.6+dfsg-0ubuntu0.20.04.1 | clamav-freshclam 0.103.6+dfsg-0ubuntu0.20.04.1 | May 6, 2022 |
| clamav-freshclam · Ubuntu 22.04.1 LTS (jammy) | 0.103.6+dfsg-0ubuntu0.22.04.1 | clamav-freshclam 0.103.6+dfsg-0ubuntu0.22.04.1 | May 6, 2022 |
| clamav-lib · amzn 2023 | 0.103.7-1.amzn2023.0.3 | ALAS2023-2023-052 | Feb 17, 2023 |
| clamav-lib-debuginfo · amzn 2023 | 0.103.7-1.amzn2023.0.3 | ALAS2023-2023-052 | Feb 17, 2023 |
| clamav-milter · Ubuntu 18.04.6 LTS (bionic) | 0.103.6+dfsg-0ubuntu0.18.04.1 | clamav-milter 0.103.6+dfsg-0ubuntu0.18.04.1 | May 6, 2022 |
| clamav-milter · Ubuntu 20.04 LTS (focal) | 0.103.6+dfsg-0ubuntu0.20.04.1 | clamav-milter 0.103.6+dfsg-0ubuntu0.20.04.1 | May 6, 2022 |
| clamav-milter · Ubuntu 22.04.1 LTS (jammy) | 0.103.6+dfsg-0ubuntu0.22.04.1 | clamav-milter 0.103.6+dfsg-0ubuntu0.22.04.1 | May 6, 2022 |
| clamav-milter · amzn 2023 | 0.103.7-1.amzn2023.0.3 | ALAS2023-2023-052 | Feb 17, 2023 |
| clamav-milter-debuginfo · amzn 2023 | 0.103.7-1.amzn2023.0.3 | ALAS2023-2023-052 | Feb 17, 2023 |
| clamav-testfiles · Ubuntu 18.04.6 LTS (bionic) | 0.103.6+dfsg-0ubuntu0.18.04.1 | clamav-testfiles 0.103.6+dfsg-0ubuntu0.18.04.1 | May 6, 2022 |
| clamav-testfiles · Ubuntu 20.04 LTS (focal) | 0.103.6+dfsg-0ubuntu0.20.04.1 | clamav-testfiles 0.103.6+dfsg-0ubuntu0.20.04.1 | May 6, 2022 |
| clamav-testfiles · Ubuntu 22.04.1 LTS (jammy) | 0.103.6+dfsg-0ubuntu0.22.04.1 | clamav-testfiles 0.103.6+dfsg-0ubuntu0.22.04.1 | May 6, 2022 |
| clamav-update · amzn 2023 | 0.103.7-1.amzn2023.0.3 | ALAS2023-2023-052 | Feb 17, 2023 |
| clamav-update-debuginfo · amzn 2023 | 0.103.7-1.amzn2023.0.3 | ALAS2023-2023-052 | Feb 17, 2023 |
| clamd · amzn 2023 | 0.103.7-1.amzn2023.0.3 | ALAS2023-2023-052 | Feb 17, 2023 |
| clamd-debuginfo · amzn 2023 | 0.103.7-1.amzn2023.0.3 | ALAS2023-2023-052 | Feb 17, 2023 |
| clamdscan · Ubuntu 18.04.6 LTS (bionic) | 0.103.6+dfsg-0ubuntu0.18.04.1 | clamdscan 0.103.6+dfsg-0ubuntu0.18.04.1 | May 6, 2022 |
| clamdscan · Ubuntu 20.04 LTS (focal) | 0.103.6+dfsg-0ubuntu0.20.04.1 | clamdscan 0.103.6+dfsg-0ubuntu0.20.04.1 | May 6, 2022 |
| clamdscan · Ubuntu 22.04.1 LTS (jammy) | 0.103.6+dfsg-0ubuntu0.22.04.1 | clamdscan 0.103.6+dfsg-0ubuntu0.22.04.1 | May 6, 2022 |
| libclamav9 · Ubuntu 18.04.6 LTS (bionic) | 0.103.6+dfsg-0ubuntu0.18.04.1 | libclamav9 0.103.6+dfsg-0ubuntu0.18.04.1 | May 6, 2022 |
| libclamav9 · Ubuntu 20.04 LTS (focal) | 0.103.6+dfsg-0ubuntu0.20.04.1 | libclamav9 0.103.6+dfsg-0ubuntu0.20.04.1 | May 6, 2022 |
| libclamav9 · Ubuntu 22.04.1 LTS (jammy) | 0.103.6+dfsg-0ubuntu0.22.04.1 | libclamav9 0.103.6+dfsg-0ubuntu0.22.04.1 | May 6, 2022 |
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