REDHAT-BUG-1799786
First published: Thu Feb 06 2020(Updated: )
xmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain end-of-file situation. Reference and upstream commit: <a href="https://gitlab.gnome.org/GNOME/libxml2/commit/0e1a49c89076">https://gitlab.gnome.org/GNOME/libxml2/commit/0e1a49c89076</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| libxml2 |
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Reference Links
- https://gitlab.gnome.org/GNOME/libxml2/commit/0e1a49c89076
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1799787
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1799789
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1799788
- https://access.redhat.com/errata/RHSA-2020:2644
- https://access.redhat.com/errata/RHSA-2020:2646
- https://access.redhat.com/security/cve/cve-2020-7595
- https://access.redhat.com/errata/RHSA-2020:3996
- https://access.redhat.com/errata/RHSA-2020:4479
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1799786#c9
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1799786#c15
- https://bugzilla.redhat.com/show_bug.cgi?id=1799786
Frequently Asked Questions
What is the severity of REDHAT-BUG-1799786?
The severity of REDHAT-BUG-1799786 is considered high due to the potential for an infinite loop in the libxml2 parser leading to denial of service.
How do I fix REDHAT-BUG-1799786?
To fix REDHAT-BUG-1799786, update libxml2 to a version that has implemented the upstream commit addressing this vulnerability.
What software is affected by REDHAT-BUG-1799786?
The affected software for REDHAT-BUG-1799786 is libxml2 version 2.9.10.
What is the nature of the vulnerability in REDHAT-BUG-1799786?
The vulnerability in REDHAT-BUG-1799786 is an infinite loop that occurs in the xmlStringLenDecodeEntities function under certain end-of-file conditions.
Is there a known exploit for REDHAT-BUG-1799786?
As of now, there are no publicly disclosed exploits specifically targeting REDHAT-BUG-1799786.
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