Bug 2118983 (CVE-2021-33235)

Summary: CVE-2021-33235 htmldoc: heap-buffer-overflow on write_node in htmldoc/htmldoc/html.cxx
Product: [Other] Security Response Reporter: TEJ RATHI <trathi>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED UPSTREAM QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: 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 00:25:17 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On: 2118984, 2118985    
Bug Blocks: 2118990    

Description TEJ RATHI 2022-08-17 09:28:50 UTC
Buffer overflow vulnerability in write_node in htmldoc through 1.9.11 allows attackers to cause a denial of service via htmldoc/htmldoc/html.cxx:588.

https://github.com/michaelrsweet/htmldoc/issues/426
https://github.com/michaelrsweet/htmldoc/commit/ee778252faebb721afba5a081dd6ad7eaf20eef3

Comment 1 TEJ RATHI 2022-08-17 09:29:57 UTC
Created htmldoc tracking bugs for this issue:

Affects: epel-all [bug 2118984]
Affects: fedora-all [bug 2118985]

Comment 2 Product Security DevOps Team 2022-09-02 00:25:15 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.