{"id":"ALPINE-CVE-2022-20770","details":"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.","modified":"2026-03-09T01:23:04.233767Z","published":"2022-05-04T17:15:08.377Z","upstream":["CVE-2022-20770"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2022-20770"}],"affected":[{"package":{"name":"clamav","ecosystem":"Alpine:v3.12","purl":"pkg:apk/alpine/clamav?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.103.6-r0"}]}],"versions":["0.100.0-r0","0.100.0-r1","0.100.0-r2","0.100.1-r0","0.100.1-r1","0.100.2-r0","0.100.3-r0","0.101.4-r0","0.101.4-r1","0.102.0-r0","0.102.1-r0","0.102.2-r0","0.102.3-r0","0.102.4-r0","0.102.4-r1","0.103.2-r0","0.94.2-r0","0.94.2-r1","0.94.2-r2","0.95.1-r0","0.95.1-r1","0.95.2-r0","0.95.2-r1","0.95.3-r0","0.95.3-r1","0.96-r0","0.96.1-r0","0.96.2-r0","0.96.3-r0","0.96.4-r0","0.96.5-r0","0.97-r0","0.97-r1","0.97-r2","0.97-r3","0.97-r4","0.97.1-r0","0.97.2-r0","0.97.3-r0","0.97.3-r1","0.97.3-r2","0.97.3-r3","0.97.4-r0","0.97.4-r1","0.97.4-r2","0.97.5-r0","0.97.6-r0","0.97.6-r1","0.97.7-r0","0.97.8-r0","0.97.8-r1","0.97.8-r2","0.98-r0","0.98-r1","0.98.1-r0","0.98.1-r1","0.98.1-r2","0.98.3-r0","0.98.4-r0","0.98.4-r1","0.98.5-r0","0.98.6-r0","0.98.6-r1","0.98.6-r2","0.98.7-r0","0.98.7-r1","0.98.7-r2","0.99-r0","0.99-r1","0.99-r2","0.99-r3","0.99.1-r0","0.99.1-r1","0.99.1-r2","0.99.2-r0","0.99.2-r1","0.99.2-r2","0.99.2-r3","0.99.2-r4","0.99.2-r5","0.99.2-r6","0.99.3-r1","0.99.3-r2","0.99.3-r3","0.99.4-r0","0.99.4-r1"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2022-20770.json"}},{"package":{"name":"clamav","ecosystem":"Alpine:v3.13","purl":"pkg:apk/alpine/clamav?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.103.6-r0"}]}],"versions":["0.100.0-r0","0.100.0-r1","0.100.0-r2","0.100.1-r0","0.100.1-r1","0.100.2-r0","0.100.3-r0","0.101.4-r0","0.101.4-r1","0.102.0-r0","0.102.1-r0","0.102.2-r0","0.102.3-r0","0.102.4-r0","0.102.4-r1","0.102.4-r2","0.103.0-r0","0.103.0-r1","0.103.1-r0","0.103.2-r0","0.94.2-r0","0.94.2-r1","0.94.2-r2","0.95.1-r0","0.95.1-r1","0.95.2-r0","0.95.2-r1","0.95.3-r0","0.95.3-r1","0.96-r0","0.96.1-r0","0.96.2-r0","0.96.3-r0","0.96.4-r0","0.96.5-r0","0.97-r0","0.97-r1","0.97-r2","0.97-r3","0.97-r4","0.97.1-r0","0.97.2-r0","0.97.3-r0","0.97.3-r1","0.97.3-r2","0.97.3-r3","0.97.4-r0","0.97.4-r1","0.97.4-r2","0.97.5-r0","0.97.6-r0","0.97.6-r1","0.97.7-r0","0.97.8-r0","0.97.8-r1","0.97.8-r2","0.98-r0","0.98-r1","0.98.1-r0","0.98.1-r1","0.98.1-r2","0.98.3-r0","0.98.4-r0","0.98.4-r1","0.98.5-r0","0.98.6-r0","0.98.6-r1","0.98.6-r2","0.98.7-r0","0.98.7-r1","0.98.7-r2","0.99-r0","0.99-r1","0.99-r2","0.99-r3","0.99.1-r0","0.99.1-r1","0.99.1-r2","0.99.2-r0","0.99.2-r1","0.99.2-r2","0.99.2-r3","0.99.2-r4","0.99.2-r5","0.99.2-r6","0.99.3-r1","0.99.3-r2","0.99.3-r3","0.99.4-r0","0.99.4-r1"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2022-20770.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}