UBUNTU-CVE-2022-37452

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    UBUNTU-CVE-2022-37452

    Published: 7 Aug 2022Last Modified: 22 Apr 2026
    Upstream:
    CVE-2022-37452
    Aliases:
    USN-5574-1

    Summary:

    Details: Exim before 4.95 has a heap-based buffer overflow for the alias list in host_name_lookup in host.c when sender_host_name is set.

    References: https://ubuntu.com/security/CVE-2022-37452, https://www.openwall.com/lists/oss-security/2022/08/06/8, https://github.com/ivd38/exim_overflow, https://ubuntu.com/security/notices/USN-5574-1, https://www.cve.org/CVERecord?id=CVE-2022-37452

    Affected packages

    Package

    Name: exim4

    Purl: pkg:deb/ubuntu/[email protected]+esm4?arch=source&distro=trusty/esm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.82-3ubuntu2.4+esm4

    Affected versions

    4.80-7ubuntu3

    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