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Fedora 37: FEDORA-2022-7b21ee2bfd Urgent: Zlib Memory Exploit

fedora
Calendar Grey September 13, 2022
Dist Fedora Esm H88
The latest zlib patch for Fedora 37 fixes CVE-2022-37434, tackling vulnerabilities related to heap over-read and buffer overflow concerns.
Fix for the CVE-2022-37434

Summary

Zlib is a general-purpose, patent-free, lossless data compression

library which is used by many different programs.

Fix for the CVE-2022-37434

* Tue Aug 9 2022 Lukas Javorsky - 1.2.12-5

- Fix heap-based buffer over-read or buffer overflow in inflate in inflate.c

- Resolves: CVE-2022-37434

[ 1 ] Bug #2116659 - CVE-2022-37434 zlib: a heap-based buffer over-read or buffer overflow in inflate in inflate.c via a large gzip header extra field [fedora-35]

https://bugzilla.redhat.com/show_bug.cgi?id=2116659

[ 2 ] Bug #2116663 - CVE-2022-37434 zlib: a heap-based buffer over-read or buffer overflow in inflate in inflate.c via a large gzip header extra field [fedora-36]

https://bugzilla.redhat.com/show_bug.cgi?id=2116663

su -c 'dnf upgrade --advisory FEDORA-2022-3c28ae0cd8' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

All packages are signed with the Fedora Project GPG key. More details on the

GPG keys used by the Fedora Project can be found at

https://fedoraproject.org/security/

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Change Log

References

Update Instructions

Severity
critical
Lowest
Low
Medium
High
Critical

Product: Fedora 37
Version: 1.2.12
Release: 5.fc37
Summary: Compression and decompression library

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