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: 1967042
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


Attachments (Terms of Use)

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.


Note You need to log in before you can comment on or make changes to this bug.