Bug 2118986 (CVE-2021-33236) - CVE-2021-33236 htmldoc: heap-buffer-overflow on write_header in htmldoc/htmldoc/html.cxx
Summary: CVE-2021-33236 htmldoc: heap-buffer-overflow on write_header in htmldoc/htmld...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2021-33236
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2118987 2118988
Blocks: 2118990
TreeView+ depends on / blocked
 
Reported: 2022-08-17 09:30 UTC by TEJ RATHI
Modified: 2022-09-02 00:55 UTC (History)
2 users (show)

Fixed In Version: htmldoc 1.9.12
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2022-09-02 00:55:59 UTC


Attachments (Terms of Use)

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.


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