CVE-2021-20308

critical

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.

References

https://lists.debian.org/debian-lts-announce/2021/07/msg00000.html

https://github.com/michaelrsweet/htmldoc/issues/423

https://bugzilla.redhat.com/show_bug.cgi?id=1946289

Details

Source: Mitre, NVD

Published: 2021-04-05

Updated: 2021-12-03

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical