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Red Hat Enterprise Linux 9: RHSA-2022-7314-01 Moderate: zlib Buffer Overrun

red hat
Calendar Grey November 2, 2022
Dist Redhat Esm H88
Timely zlib patch for CentOS Stream 9 resolves memory allocation vulnerabilities. Maintain safety!
An update for zlib is now available for Red Hat Enterprise Linux 9

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Summary

The zlib packages provide a general-purpose lossless data compression library that is used by many different programs.
Security Fix(es):
* zlib: a heap-based buffer over-read or buffer overflow in inflate in inflate.c via a large gzip header extra field (CVE-2022-37434)
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.

Topics%20covered

Topics Covered

security advisory moderate Red Hat update buffer overflow security fix zlib

References

https://access.redhat.com/security/cve/CVE-2022-37434 https://access.redhat.com/security/updates/classification#moderate https://access.redhat.com/security/updates/classification#moderate

Package List

Red Hat Enterprise Linux AppStream (v. 9):
aarch64: minizip-compat-debuginfo-1.2.11-32.el9_0.aarch64.rpm zlib-debuginfo-1.2.11-32.el9_0.aarch64.rpm zlib-debugsource-1.2.11-32.el9_0.aarch64.rpm zlib-devel-1.2.11-32.el9_0.aarch64.rpm
ppc64le: minizip-compat-debuginfo-1.2.11-32.el9_0.ppc64le.rpm zlib-debuginfo-1.2.11-32.el9_0.ppc64le.rpm zlib-debugsource-1.2.11-32.el9_0.ppc64le.rpm zlib-devel-1.2.11-32.el9_0.ppc64le.rpm
s390x: minizip-compat-debuginfo-1.2.11-32.el9_0.s390x.rpm zlib-debuginfo-1.2.11-32.el9_0.s390x.rpm zlib-debugsource-1.2.11-32.el9_0.s390x.rpm zlib-devel-1.2.11-32.el9_0.s390x.rpm
x86_64: minizip-compat-debuginfo-1.2.11-32.el9_0.i686.rpm minizip-compat-debuginfo-1.2.11-32.el9_0.x86_64.rpm zlib-debuginfo-1.2.11-32.el9_0.i686.rpm zlib-debuginfo-1.2.11-32.el9_0.x86_64.rpm zlib-debugsource-1.2.11-32.el9_0.i686.rpm zlib-debugsource-1.2.11-32.el9_0.x86_64.rpm zlib-devel-1.2.11-32.el9_0.i686.rpm zlib-devel-1.2.11-32.el9_0.x86_64.rpm
Red Hat Enterprise Linux BaseOS (v. 9):
Source: zlib-1.2.11-32.el9_0.src.rpm
aarch64: minizip-compat-debuginfo-1.2.11-32.el9_0.aarch64.rpm zlib-1.2.11-32.el9_0.aarch64.rpm zlib-debuginfo-1.2.11-32.el9_0.aarch64.rpm zlib-debugsource-1.2.11-32.el9_0.aarch64.rpm
ppc64le: minizip-compat-debuginfo-1.2.11-32.el9_0.ppc64le.rpm

Read the Full Advisory


Advisory ID: RHSA-2022:7314-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:7314
Issue date: 2022-11-02

Topic

An update for zlib is now available for Red Hat Enterprise Linux 9.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate Red Hat update buffer overflow security fix zlib

Relevant Releases Architectures

Red Hat CodeReady Linux Builder (v. 9) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux AppStream (v. 9) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux BaseOS (v. 9) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

2116639 - CVE-2022-37434 zlib: heap-based buffer over-read and overflow in inflate() in inflate.c via a large gzip header extra field

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