VULNERABILITY INTELLIGENCE

CVE-2021-20308

CVSS score9.8 CRITICAL

EPSS probability2.48%

CISA KEVNot currently listed

Published2021-04-05

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

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.

Weakness classification

secalert@redhat.com: CWE-190

Primary references

secalert@redhat.com — Exploit, Issue Tracking, Third Party Advisory
secalert@redhat.com — Exploit, Issue Tracking, Third Party Advisory
secalert@redhat.com — Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory