USN-5570-2

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    USN-5570-2

    Published: 17 Oct 2022Last Modified: 22 Apr 2026

    Summary: zlib vulnerability

    Details: USN-5570-1 fixed a vulnerability in zlib. This update provides the corresponding update for Ubuntu 22.04 LTS and Ubuntu 20.04 LTS. Original advisory details: Evgeny Legerov discovered that zlib incorrectly handled memory when performing certain inflate operations. An attacker could use this issue to cause zlib to crash, resulting in a denial of service, or possibly execute arbitrary code.

    References: https://ubuntu.com/security/notices/USN-5570-2, https://ubuntu.com/security/CVE-2022-37434

    Affected packages

    Package

    Name: zlib

    Purl: pkg:deb/ubuntu/zlib@1:1.2.11.dfsg-2ubuntu1.5?arch=source&distro=focal

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1:1.2.11.dfsg-2ubuntu1.5

    Affected versions

    1:1.2.11.dfsg-1ubuntu3
    1:1.2.11.dfsg-2ubuntu1
    1:1.2.11.dfsg-2ubuntu1.1
    1:1.2.11.dfsg-2ubuntu1.2
    1:1.2.11.dfsg-2ubuntu1.3
    1:1.2.11.dfsg-2ubuntu1.4

    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
    USN-5570-2 | CVE-DB