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Red Hat Enterprise Linux 8.1 RHSA-2023-5042-01 Important: flac RCE Fix

red hat
Calendar Grey September 11, 2023
Dist Redhat Esm H88
Important Red Hat Notification RHSA-2023-5042:02 details a flac vulnerability remediation with a significant patch for remote command execution.
An update for flac is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions

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

FLAC stands for Free Lossless Audio Codec. FLAC is similar to Ogg Vorbis, but lossless. The FLAC project consists of the stream format, reference encoders and decoders in library form, a command-line program to encode and decode FLAC files, and a command-line metadata editor for FLAC files.
Security Fix(es):
* flac: Remote Code Execution (RCE) via the bitwriter_grow_ function, by supplying crafted input to the encoder (CVE-2020-22219)
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 security update Red Hat remote code execution important software fix flac

References

https://access.redhat.com/security/cve/CVE-2020-22219 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux AppStream E4S (v. 8.1):
Source: flac-1.3.2-9.el8_1.1.src.rpm
aarch64: flac-debuginfo-1.3.2-9.el8_1.1.aarch64.rpm flac-debugsource-1.3.2-9.el8_1.1.aarch64.rpm flac-libs-1.3.2-9.el8_1.1.aarch64.rpm flac-libs-debuginfo-1.3.2-9.el8_1.1.aarch64.rpm
ppc64le: flac-debuginfo-1.3.2-9.el8_1.1.ppc64le.rpm flac-debugsource-1.3.2-9.el8_1.1.ppc64le.rpm flac-libs-1.3.2-9.el8_1.1.ppc64le.rpm flac-libs-debuginfo-1.3.2-9.el8_1.1.ppc64le.rpm
s390x: flac-debuginfo-1.3.2-9.el8_1.1.s390x.rpm flac-debugsource-1.3.2-9.el8_1.1.s390x.rpm flac-libs-1.3.2-9.el8_1.1.s390x.rpm flac-libs-debuginfo-1.3.2-9.el8_1.1.s390x.rpm
x86_64: flac-debuginfo-1.3.2-9.el8_1.1.i686.rpm flac-debuginfo-1.3.2-9.el8_1.1.x86_64.rpm flac-debugsource-1.3.2-9.el8_1.1.i686.rpm flac-debugsource-1.3.2-9.el8_1.1.x86_64.rpm flac-libs-1.3.2-9.el8_1.1.i686.rpm flac-libs-1.3.2-9.el8_1.1.x86_64.rpm flac-libs-debuginfo-1.3.2-9.el8_1.1.i686.rpm flac-libs-debuginfo-1.3.2-9.el8_1.1.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/


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:5042-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:5042
Issue date: 2023-09-11

Topic

An update for flac is now available for Red Hat Enterprise Linux 8.1 UpdateServices for SAP Solutions.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security update Red Hat remote code execution important software fix flac

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream E4S (v. 8.1) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

2235489 - CVE-2020-22219 flac: Remote Code Execution (RCE) via the bitwriter_grow_ function, by supplying crafted input to the encoder

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