RedHat: RHSA-2023-1095:01 Moderate: zlib security update
Summary
The zlib packages provide a general-purpose lossless data compression
library that is used by many different programs.
Security Fix(es):
* zlib: heap-based buffer over-read and 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.
Summary
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
References
https://access.redhat.com/security/cve/CVE-2022-37434 https://access.redhat.com/security/updates/classification/#moderate
Package List
Red Hat Enterprise Linux Client (v. 7):
Source:
zlib-1.2.7-21.el7_9.src.rpm
x86_64:
zlib-1.2.7-21.el7_9.i686.rpm
zlib-1.2.7-21.el7_9.x86_64.rpm
zlib-debuginfo-1.2.7-21.el7_9.i686.rpm
zlib-debuginfo-1.2.7-21.el7_9.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64:
minizip-1.2.7-21.el7_9.i686.rpm
minizip-1.2.7-21.el7_9.x86_64.rpm
minizip-devel-1.2.7-21.el7_9.i686.rpm
minizip-devel-1.2.7-21.el7_9.x86_64.rpm
zlib-debuginfo-1.2.7-21.el7_9.i686.rpm
zlib-debuginfo-1.2.7-21.el7_9.x86_64.rpm
zlib-devel-1.2.7-21.el7_9.i686.rpm
zlib-devel-1.2.7-21.el7_9.x86_64.rpm
zlib-static-1.2.7-21.el7_9.i686.rpm
zlib-static-1.2.7-21.el7_9.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source:
zlib-1.2.7-21.el7_9.src.rpm
x86_64:
zlib-1.2.7-21.el7_9.i686.rpm
zlib-1.2.7-21.el7_9.x86_64.rpm
zlib-debuginfo-1.2.7-21.el7_9.i686.rpm
zlib-debuginfo-1.2.7-21.el7_9.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
x86_64:
minizip-1.2.7-21.el7_9.i686.rpm
minizip-1.2.7-21.el7_9.x86_64.rpm
minizip-devel-1.2.7-21.el7_9.i686.rpm
minizip-devel-1.2.7-21.el7_9.x86_64.rpm
zlib-debuginfo-1.2.7-21.el7_9.i686.rpm
zlib-debuginfo-1.2.7-21.el7_9.x86_64.rpm
zlib-devel-1.2.7-21.el7_9.i686.rpm
zlib-devel-1.2.7-21.el7_9.x86_64.rpm
zlib-static-1.2.7-21.el7_9.i686.rpm
zlib-static-1.2.7-21.el7_9.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
zlib-1.2.7-21.el7_9.src.rpm
ppc64:
zlib-1.2.7-21.el7_9.ppc.rpm
zlib-1.2.7-21.el7_9.ppc64.rpm
zlib-debuginfo-1.2.7-21.el7_9.ppc.rpm
zlib-debuginfo-1.2.7-21.el7_9.ppc64.rpm
zlib-devel-1.2.7-21.el7_9.ppc.rpm
zlib-devel-1.2.7-21.el7_9.ppc64.rpm
ppc64le:
zlib-1.2.7-21.el7_9.ppc64le.rpm
zlib-debuginfo-1.2.7-21.el7_9.ppc64le.rpm
zlib-devel-1.2.7-21.el7_9.ppc64le.rpm
s390x:
zlib-1.2.7-21.el7_9.s390.rpm
zlib-1.2.7-21.el7_9.s390x.rpm
zlib-debuginfo-1.2.7-21.el7_9.s390.rpm
zlib-debuginfo-1.2.7-21.el7_9.s390x.rpm
zlib-devel-1.2.7-21.el7_9.s390.rpm
zlib-devel-1.2.7-21.el7_9.s390x.rpm
x86_64:
zlib-1.2.7-21.el7_9.i686.rpm
zlib-1.2.7-21.el7_9.x86_64.rpm
zlib-debuginfo-1.2.7-21.el7_9.i686.rpm
zlib-debuginfo-1.2.7-21.el7_9.x86_64.rpm
zlib-devel-1.2.7-21.el7_9.i686.rpm
zlib-devel-1.2.7-21.el7_9.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64:
minizip-1.2.7-21.el7_9.ppc.rpm
minizip-1.2.7-21.el7_9.ppc64.rpm
minizip-devel-1.2.7-21.el7_9.ppc.rpm
minizip-devel-1.2.7-21.el7_9.ppc64.rpm
zlib-debuginfo-1.2.7-21.el7_9.ppc.rpm
zlib-debuginfo-1.2.7-21.el7_9.ppc64.rpm
zlib-static-1.2.7-21.el7_9.ppc.rpm
zlib-static-1.2.7-21.el7_9.ppc64.rpm
ppc64le:
minizip-1.2.7-21.el7_9.ppc64le.rpm
minizip-devel-1.2.7-21.el7_9.ppc64le.rpm
zlib-debuginfo-1.2.7-21.el7_9.ppc64le.rpm
zlib-static-1.2.7-21.el7_9.ppc64le.rpm
s390x:
minizip-1.2.7-21.el7_9.s390.rpm
minizip-1.2.7-21.el7_9.s390x.rpm
minizip-devel-1.2.7-21.el7_9.s390.rpm
minizip-devel-1.2.7-21.el7_9.s390x.rpm
zlib-debuginfo-1.2.7-21.el7_9.s390.rpm
zlib-debuginfo-1.2.7-21.el7_9.s390x.rpm
zlib-static-1.2.7-21.el7_9.s390.rpm
zlib-static-1.2.7-21.el7_9.s390x.rpm
x86_64:
minizip-1.2.7-21.el7_9.i686.rpm
minizip-1.2.7-21.el7_9.x86_64.rpm
minizip-devel-1.2.7-21.el7_9.i686.rpm
minizip-devel-1.2.7-21.el7_9.x86_64.rpm
zlib-debuginfo-1.2.7-21.el7_9.i686.rpm
zlib-debuginfo-1.2.7-21.el7_9.x86_64.rpm
zlib-static-1.2.7-21.el7_9.i686.rpm
zlib-static-1.2.7-21.el7_9.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
zlib-1.2.7-21.el7_9.src.rpm
x86_64:
zlib-1.2.7-21.el7_9.i686.rpm
zlib-1.2.7-21.el7_9.x86_64.rpm
zlib-debuginfo-1.2.7-21.el7_9.i686.rpm
zlib-debuginfo-1.2.7-21.el7_9.x86_64.rpm
zlib-devel-1.2.7-21.el7_9.i686.rpm
zlib-devel-1.2.7-21.el7_9.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64:
minizip-1.2.7-21.el7_9.i686.rpm
minizip-1.2.7-21.el7_9.x86_64.rpm
minizip-devel-1.2.7-21.el7_9.i686.rpm
minizip-devel-1.2.7-21.el7_9.x86_64.rpm
zlib-debuginfo-1.2.7-21.el7_9.i686.rpm
zlib-debuginfo-1.2.7-21.el7_9.x86_64.rpm
zlib-static-1.2.7-21.el7_9.i686.rpm
zlib-static-1.2.7-21.el7_9.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/
Topic
An update for zlib is now available for Red Hat Enterprise Linux 7.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.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - 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