Bug 2118986 (CVE-2021-33236)

Summary:	CVE-2021-33236 htmldoc: heap-buffer-overflow on write_header in htmldoc/htmldoc/html.cxx
Product:	[Other] Security Response	Reporter:	TEJ RATHI <trathi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	extras-orphan, rdieter
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	htmldoc 1.9.12	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-09-02 00:55:59 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2118987, 2118988
Bug Blocks:	2118990

Description TEJ RATHI 2022-08-17 09:30:12 UTC

Buffer Overflow vulnerability in write_header in htmldoc through 1.9.11 allows attackers to casue a denial of service via /htmldoc/htmldoc/html.cxx:273.

https://github.com/michaelrsweet/htmldoc/issues/425
https://github.com/michaelrsweet/htmldoc/commit/a0014be47d614220db111b360fb6170ef6f3937e

Comment 1 TEJ RATHI 2022-08-17 09:30:48 UTC

Created htmldoc tracking bugs for this issue:

Affects: epel-all [bug 2118987]
Affects: fedora-all [bug 2118988]

Comment 2 Product Security DevOps Team 2022-09-02 00:55:57 UTC

This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.