- Vulnerability/
- RHSA-2023:1095
RHSA-2023:1095: Moderate: zlib security update
First published: Tue Mar 07 2023(Updated: )
The zlib packages provide a general-purpose lossless data compression library that is used by many different programs.<br>Security Fix(es):<br><li> zlib: heap-based buffer over-read and overflow in inflate() in inflate.c via a large gzip header extra field (CVE-2022-37434)</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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/zlib | <1.2.7-21.el7_9 | 1.2.7-21.el7_9 |
| redhat/minizip | <1.2.7-21.el7_9 | 1.2.7-21.el7_9 |
| redhat/minizip | <1.2.7-21.el7_9 | 1.2.7-21.el7_9 |
| redhat/minizip-devel | <1.2.7-21.el7_9 | 1.2.7-21.el7_9 |
| redhat/minizip-devel | <1.2.7-21.el7_9 | 1.2.7-21.el7_9 |
| redhat/zlib | <1.2.7-21.el7_9 | 1.2.7-21.el7_9 |
| redhat/zlib-debuginfo | <1.2.7-21.el7_9 | 1.2.7-21.el7_9 |
| redhat/zlib-debuginfo | <1.2.7-21.el7_9 | 1.2.7-21.el7_9 |
| redhat/zlib-devel | <1.2.7-21.el7_9 | 1.2.7-21.el7_9 |
| redhat/zlib-devel | <1.2.7-21.el7_9 | 1.2.7-21.el7_9 |
| redhat/zlib-static | <1.2.7-21.el7_9 | 1.2.7-21.el7_9 |
| redhat/zlib-static | <1.2.7-21.el7_9 | 1.2.7-21.el7_9 |
| redhat/minizip | <1.2.7-21.el7_9 | 1.2.7-21.el7_9 |
| redhat/minizip-devel | <1.2.7-21.el7_9 | 1.2.7-21.el7_9 |
| redhat/zlib | <1.2.7-21.el7_9 | 1.2.7-21.el7_9 |
| redhat/zlib-debuginfo | <1.2.7-21.el7_9 | 1.2.7-21.el7_9 |
| redhat/zlib-devel | <1.2.7-21.el7_9 | 1.2.7-21.el7_9 |
| redhat/zlib-static | <1.2.7-21.el7_9 | 1.2.7-21.el7_9 |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2023:1095?
The severity of RHSA-2023:1095 is classified as moderate due to a potential heap-based buffer over-read and overflow.
How do I fix RHSA-2023:1095?
To fix RHSA-2023:1095, update the zlib, minizip, and other affected packages to version 1.2.7-21.el7_9 or later.
What are the affected packages in RHSA-2023:1095?
The affected packages in RHSA-2023:1095 include zlib, minizip, minizip-devel, and their debug versions.
What vulnerability is addressed in RHSA-2023:1095?
RHSA-2023:1095 addresses CVE-2022-37434, which involves a heap-based buffer over-read and overflow.
Is there a need for reboot after applying RHSA-2023:1095?
A reboot is not typically required after applying the updates from RHSA-2023:1095.
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