[RHSA-2022:4845-01] Important: zlib security update

[Security announcements for all Red Hat products and services.]

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                   Red Hat Security Advisory

Synopsis:          Important: zlib security update
Advisory ID:       RHSA-2022:4845-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2022:4845
Issue date:        2022-05-31
CVE Names:         CVE-2018-25032 
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1. Summary:

An update for zlib is now available for Red Hat Enterprise Linux 8.4
Extended Update Support.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat CodeReady Linux Builder EUS (v. 8.4) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS EUS (v.8.4) - aarch64, ppc64le, s390x, x86_64

3. Description:

The zlib packages provide a general-purpose lossless data compression
library that is used by many different programs.

Security Fix(es):

* zlib: A flaw found in zlib when compressing (not decompressing) certain
inputs (CVE-2018-25032)

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.

4. 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

5. Bugs fixed (https://bugzilla.redhat.com/):

2067945 - CVE-2018-25032 zlib: A flaw found in zlib when compressing (not decompressing) certain inputs

6. Package List:

Red Hat Enterprise Linux BaseOS EUS (v.8.4):

Source:
zlib-1.2.11-18.el8_4.src.rpm

aarch64:
zlib-1.2.11-18.el8_4.aarch64.rpm
zlib-debuginfo-1.2.11-18.el8_4.aarch64.rpm
zlib-debugsource-1.2.11-18.el8_4.aarch64.rpm
zlib-devel-1.2.11-18.el8_4.aarch64.rpm

ppc64le:
zlib-1.2.11-18.el8_4.ppc64le.rpm
zlib-debuginfo-1.2.11-18.el8_4.ppc64le.rpm
zlib-debugsource-1.2.11-18.el8_4.ppc64le.rpm
zlib-devel-1.2.11-18.el8_4.ppc64le.rpm

s390x:
zlib-1.2.11-18.el8_4.s390x.rpm
zlib-debuginfo-1.2.11-18.el8_4.s390x.rpm
zlib-debugsource-1.2.11-18.el8_4.s390x.rpm
zlib-devel-1.2.11-18.el8_4.s390x.rpm

x86_64:
zlib-1.2.11-18.el8_4.i686.rpm
zlib-1.2.11-18.el8_4.x86_64.rpm
zlib-debuginfo-1.2.11-18.el8_4.i686.rpm
zlib-debuginfo-1.2.11-18.el8_4.x86_64.rpm
zlib-debugsource-1.2.11-18.el8_4.i686.rpm
zlib-debugsource-1.2.11-18.el8_4.x86_64.rpm
zlib-devel-1.2.11-18.el8_4.i686.rpm
zlib-devel-1.2.11-18.el8_4.x86_64.rpm

Red Hat CodeReady Linux Builder EUS (v. 8.4):

aarch64:
zlib-debuginfo-1.2.11-18.el8_4.aarch64.rpm
zlib-debugsource-1.2.11-18.el8_4.aarch64.rpm
zlib-static-1.2.11-18.el8_4.aarch64.rpm

ppc64le:
zlib-debuginfo-1.2.11-18.el8_4.ppc64le.rpm
zlib-debugsource-1.2.11-18.el8_4.ppc64le.rpm
zlib-static-1.2.11-18.el8_4.ppc64le.rpm

s390x:
zlib-debuginfo-1.2.11-18.el8_4.s390x.rpm
zlib-debugsource-1.2.11-18.el8_4.s390x.rpm
zlib-static-1.2.11-18.el8_4.s390x.rpm

x86_64:
zlib-debuginfo-1.2.11-18.el8_4.i686.rpm
zlib-debuginfo-1.2.11-18.el8_4.x86_64.rpm
zlib-debugsource-1.2.11-18.el8_4.i686.rpm
zlib-debugsource-1.2.11-18.el8_4.x86_64.rpm
zlib-static-1.2.11-18.el8_4.i686.rpm
zlib-static-1.2.11-18.el8_4.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2018-25032
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert at redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2022 Red Hat, Inc.
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