RHSA-2021:2575: Moderate: lz4 security update

Published Jun 29, 2021
·
Updated

The lz4 packages provide support for LZ4, a very fast, lossless compression algorithm that provides compression speeds of 400 MB/s per core and scales with multicore CPUs. It also features an extremely fast decoder that reaches speeds of multiple GB/s per core and typically reaches RAM speed limits on multicore systems.Security Fix(es): lz4: memory corruption due to an integer overflow bug caused by memmove argument (CVE-2021-3520) 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.

Affected Software

24 affected componentsFixes available
redhat/lz4<1.8.3-3.el8_4
1.8.3-3.el8_4
redhat/lz4<1.8.3-3.el8_4
1.8.3-3.el8_4
redhat/lz4-debuginfo<1.8.3-3.el8_4
1.8.3-3.el8_4
redhat/lz4-debuginfo<1.8.3-3.el8_4
1.8.3-3.el8_4
redhat/lz4-debugsource<1.8.3-3.el8_4
1.8.3-3.el8_4
redhat/lz4-debugsource<1.8.3-3.el8_4
1.8.3-3.el8_4
redhat/lz4-devel<1.8.3-3.el8_4
1.8.3-3.el8_4
redhat/lz4-devel<1.8.3-3.el8_4
1.8.3-3.el8_4
redhat/lz4-libs<1.8.3-3.el8_4
1.8.3-3.el8_4
redhat/lz4-libs<1.8.3-3.el8_4
1.8.3-3.el8_4
redhat/lz4-libs-debuginfo<1.8.3-3.el8_4
1.8.3-3.el8_4
redhat/lz4-libs-debuginfo<1.8.3-3.el8_4
1.8.3-3.el8_4
redhat/lz4<1.8.3-3.el8_4
1.8.3-3.el8_4
redhat/lz4-debuginfo<1.8.3-3.el8_4
1.8.3-3.el8_4
redhat/lz4-debugsource<1.8.3-3.el8_4
1.8.3-3.el8_4
redhat/lz4-devel<1.8.3-3.el8_4
1.8.3-3.el8_4
redhat/lz4-libs<1.8.3-3.el8_4
1.8.3-3.el8_4
redhat/lz4-libs-debuginfo<1.8.3-3.el8_4
1.8.3-3.el8_4
redhat/lz4<1.8.3-3.el8_4.aa
1.8.3-3.el8_4.aa
redhat/lz4-debuginfo<1.8.3-3.el8_4.aa
1.8.3-3.el8_4.aa
redhat/lz4-debugsource<1.8.3-3.el8_4.aa
1.8.3-3.el8_4.aa
redhat/lz4-devel<1.8.3-3.el8_4.aa
1.8.3-3.el8_4.aa
redhat/lz4-libs<1.8.3-3.el8_4.aa
1.8.3-3.el8_4.aa
redhat/lz4-libs-debuginfo<1.8.3-3.el8_4.aa
1.8.3-3.el8_4.aa

Remediation

Event History

Jan 11, 2026
Advisory Published
via Red Hat·04:35 PM
Data Sourced
via Red Hat·04:35 PM
RemedyDescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of RHSA-2021:2575?

The severity of RHSA-2021:2575 is categorized as moderate.

2

How do I fix RHSA-2021:2575?

To fix RHSA-2021:2575, update the affected lz4 packages to version 1.8.3-3.el8_4.

3

Which packages are affected by RHSA-2021:2575?

The affected packages include lz4, lz4-debuginfo, lz4-devel, lz4-libs, and related debug and source packages.

4

Is RHSA-2021:2575 related to a specific operating system version?

Yes, RHSA-2021:2575 is related to Red Hat Enterprise Linux 8 version 4.

5

What features does the lz4 package provide in RHSA-2021:2575?

The lz4 package provides support for a fast, lossless compression algorithm, enabling high-speed compression and decompression.

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