RHSA-2021:4241: Moderate: libtiff security and bug fix update
First published: Tue Nov 09 2021(Updated: )
The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files.<br>Security Fix(es):<br><li> libtiff: Integer overflow in tif_getimage.c (CVE-2020-35523)</li> <li> libtiff: Heap-based buffer overflow in TIFF2PDF tool (CVE-2020-35524)</li> <li> libtiff: Memory allocation failure in tiff2rgba (CVE-2020-35521)</li> <li> libtiff: Memory allocation failure in tiff2rgba (CVE-2020-35522)</li> For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.<br>Additional Changes:<br>For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/libtiff | <4.0.9-20.el8 | 4.0.9-20.el8 |
| redhat/libtiff | <4.0.9-20.el8 | 4.0.9-20.el8 |
| redhat/libtiff-debuginfo | <4.0.9-20.el8 | 4.0.9-20.el8 |
| redhat/libtiff-debuginfo | <4.0.9-20.el8 | 4.0.9-20.el8 |
| redhat/libtiff-debugsource | <4.0.9-20.el8 | 4.0.9-20.el8 |
| redhat/libtiff-debugsource | <4.0.9-20.el8 | 4.0.9-20.el8 |
| redhat/libtiff-devel | <4.0.9-20.el8 | 4.0.9-20.el8 |
| redhat/libtiff-devel | <4.0.9-20.el8 | 4.0.9-20.el8 |
| redhat/libtiff-tools-debuginfo | <4.0.9-20.el8 | 4.0.9-20.el8 |
| redhat/libtiff-tools-debuginfo | <4.0.9-20.el8 | 4.0.9-20.el8 |
| redhat/libtiff | <4.0.9-20.el8 | 4.0.9-20.el8 |
| redhat/libtiff-debuginfo | <4.0.9-20.el8 | 4.0.9-20.el8 |
| redhat/libtiff-debugsource | <4.0.9-20.el8 | 4.0.9-20.el8 |
| redhat/libtiff-devel | <4.0.9-20.el8 | 4.0.9-20.el8 |
| redhat/libtiff-tools-debuginfo | <4.0.9-20.el8 | 4.0.9-20.el8 |
| redhat/libtiff | <4.0.9-20.el8.aa | 4.0.9-20.el8.aa |
| redhat/libtiff-debuginfo | <4.0.9-20.el8.aa | 4.0.9-20.el8.aa |
| redhat/libtiff-debugsource | <4.0.9-20.el8.aa | 4.0.9-20.el8.aa |
| redhat/libtiff-devel | <4.0.9-20.el8.aa | 4.0.9-20.el8.aa |
| redhat/libtiff-tools-debuginfo | <4.0.9-20.el8.aa | 4.0.9-20.el8.aa |
| redhat/libtiff-tools | <4.0.9-20.el8 | 4.0.9-20.el8 |
| redhat/libtiff-tools | <4.0.9-20.el8.aa | 4.0.9-20.el8.aa |
| redhat/libtiff-tools | <4.0.9-20.el8 | 4.0.9-20.el8 |
| redhat/libtiff-tools | <4.0.9-20.el8 | 4.0.9-20.el8 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1932034
- https://bugzilla.redhat.com/show_bug.cgi?id=1932037
- https://bugzilla.redhat.com/show_bug.cgi?id=1932040
- https://bugzilla.redhat.com/show_bug.cgi?id=1932044
- https://access.redhat.com/security/updates/classification/#moderate
- https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/
- https://access.redhat.com/errata/RHSA-2021:4241 (Advisory)
Frequently Asked Questions
What is the severity of RHSA-2021:4241?
RHSA-2021:4241 addresses critical vulnerabilities that could lead to potential denial of service and code execution.
How do I fix RHSA-2021:4241?
To fix RHSA-2021:4241, update the libtiff packages to version 4.0.9-20.el8 or higher.
What vulnerabilities are fixed in RHSA-2021:4241?
RHSA-2021:4241 fixes an integer overflow in tif_getimage.c (CVE-2020-35523) and a heap-based buffer overflow in TIFF2PDF tool (CVE-2020-35524).
Which packages are affected by RHSA-2021:4241?
The affected packages include libtiff, libtiff-debuginfo, libtiff-tools, and others that depend on libtiff in Red Hat Enterprise Linux 8.
Is RHSA-2021:4241 applicable to all users?
RHSA-2021:4241 is applicable to users of Red Hat Enterprise Linux 8 who utilize the libtiff library for handling TIFF files.
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