Bug 1967041 (CVE-2021-23180) - CVE-2021-23180 htmldoc: null pointer dereference in function in file_extension()
Summary: CVE-2021-23180 htmldoc: null pointer dereference in function in file_extension()
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2021-23180
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: 1967044 1967043
Blocks: Red Hat1967042
TreeView+ depends on / blocked
 
Reported: 2021-06-02 11:12 UTC by Dhananjay Arunesh
Modified: 2022-03-04 15:44 UTC (History)
3 users (show)

Fixed In Version: htmldoc 1.9.12
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2021-06-02 11:32:29 UTC

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Description Dhananjay Arunesh 2021-06-02 11:12:51 UTC 
A flaw was found in htmldoc in versions prior to 1.9.12. Null pointer dereference in file_extension(),in file.c may lead to execute arbitrary code and denial of service.

Reference:
https://github.com/michaelrsweet/htmldoc/issues/418

Upstream patch:
https://github.com/michaelrsweet/htmldoc/commit/19c582fb32eac74b57e155cffbb529377a9e751a
Comment 1 Dhananjay Arunesh 2021-06-02 11:14:00 UTC 
Created htmldoc tracking bugs for this issue:

Affects: epel-7 [bug 1967044]
Affects: fedora-all [bug 1967043]
Comment 2 Product Security DevOps Team 2021-06-02 11:32:29 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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