Bug 2039445 (CVE-2021-43579) - CVE-2021-43579 htmldoc: stack-based buffer overflow in image_load_bmp() in htmldoc/image.cxx
Summary: CVE-2021-43579 htmldoc: stack-based buffer overflow in image_load_bmp() in ht...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2021-43579
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: 2039446 2039447
Blocks:
TreeView+ depends on / blocked
 
Reported: 2022-01-11 17:57 UTC by Guilherme de Almeida Suckevicz
Modified: 2022-01-11 18:30 UTC (History)
3 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2022-01-11 18:30:45 UTC
Embargoed:

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Description Guilherme de Almeida Suckevicz 2022-01-11 17:57:24 UTC 
A stack-based buffer overflow in image_load_bmp() in HTMLDOC <= 1.9.13 results in remote code execution if the victim converts an HTML document linking to a crafted BMP file.

References:
https://github.com/michaelrsweet/htmldoc/issues/453
https://github.com/michaelrsweet/htmldoc/issues/456

Upstream patch:
https://github.com/michaelrsweet/htmldoc/commit/27d08989a5a567155d506ac870ae7d8cc88fa58b
Comment 1 Guilherme de Almeida Suckevicz 2022-01-11 17:57:42 UTC 
Created htmldoc tracking bugs for this issue:

Affects: epel-7 [bug 2039447]
Affects: fedora-34 [bug 2039446]
Comment 2 Product Security DevOps Team 2022-01-11 18:30:43 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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