{"id":"CVE-2021-20308","details":"Integer overflow in the htmldoc 1.9.11 and before may allow attackers to execute arbitrary code and cause a denial of service that is similar to CVE-2017-9181.","modified":"2026-07-07T08:50:02.103965246Z","published":"2021-04-05T22:15:12.947Z","related":["SUSE-SU-2022:14898-1","openSUSE-SU-2021:0882-1","openSUSE-SU-2021:0893-1","openSUSE-SU-2021:0895-1","openSUSE-SU-2021:1266-1","openSUSE-SU-2024:10848-1"],"database_specific":{"unresolved_ranges":[{"source":"CPE_STRING","vendor_product":"debian:debian_linux","cpes":["cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"9.0"},{"last_affected":"9.0"}]}]},"references":[{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/07/msg00000.html"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1946289"},{"type":"REPORT","url":"https://github.com/michaelrsweet/htmldoc/issues/423"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/michaelrsweet/htmldoc","events":[{"introduced":"0"},{"last_affected":"5229002a38f111169974e9df2da75de95c1996ca"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:htmldoc_project:htmldoc:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"1.9.11"}]}}],"versions":["v1.9.11","v1.9.10","v1.9.9","v1.9.8","v1.9.7","v1.9.6","v1.9.5","v1.9.4","v1.9.3","v1.9.2","v1.9.1","v1.9","v1.8.30"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-20308.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}