RLSA-2021:2575

    Dashboard / Vulnerabilities / RLSA-2021:2575

    RLSA-2021:2575

    Published: 29 Jun 2021Last Modified: 5 Feb 2026
    Upstream:
    CVE-2021-3520

    Summary: Moderate: lz4 security update

    Details: 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.

    References: https://errata.rockylinux.org/RLSA-2021:2575, https://bugzilla.redhat.com/show_bug.cgi?id=1954559

    Affected packages

    Package

    Name: lz4

    Purl: pkg:rpm/rocky-linux/lz4?distro=rocky-linux-8&epoch=0

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0:1.8.3-3.el8_4

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    RLSA-2021:2575 | CVE-DB