REDHAT-BUG-1799734
First published: Thu Feb 06 2020(Updated: )
xmlSchemaPreRun in xmlschemas.c in libxml2 2.9.10 allows an xmlSchemaValidateStream memory leak. Reference and upstream commit: <a href="https://gitlab.gnome.org/GNOME/libxml2/merge_requests/68">https://gitlab.gnome.org/GNOME/libxml2/merge_requests/68</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| libxml2 |
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Reference Links
- https://gitlab.gnome.org/GNOME/libxml2/merge_requests/68
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1799736
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1799739
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1799738
- https://access.redhat.com/errata/RHSA-2020:2644
- https://access.redhat.com/errata/RHSA-2020:2646
- https://access.redhat.com/security/cve/cve-2019-20388
- https://access.redhat.com/errata/RHSA-2020:3996
- https://access.redhat.com/errata/RHSA-2020:4479
- https://bugzilla.redhat.com/show_bug.cgi?id=1799734
Frequently Asked Questions
What is the severity of REDHAT-BUG-1799734?
The severity of REDHAT-BUG-1799734 is categorized as medium due to the potential memory leak in the libxml2 library.
How do I fix REDHAT-BUG-1799734?
To fix REDHAT-BUG-1799734, it is recommended to update to a version of libxml2 that includes the upstream commit addressing the memory leak.
What software is affected by REDHAT-BUG-1799734?
REDHAT-BUG-1799734 affects the libxml2 library specifically in versions prior to the fix implemented after the reported vulnerability.
What is the nature of the vulnerability in REDHAT-BUG-1799734?
The nature of the vulnerability in REDHAT-BUG-1799734 is a memory leak resulting from the function xmlSchemaPreRun within the libxml2 library.
Is there a workaround for REDHAT-BUG-1799734?
Currently, the recommended approach for REDHAT-BUG-1799734 is to apply the available fix rather than relying on workarounds, as they may not fully mitigate the vulnerability.
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