UBUNTU-CVE-2023-46847

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    UBUNTU-CVE-2023-46847

    Published: 3 Nov 2023Last Modified: 4 Feb 2026
    Upstream:
    CVE-2023-46847

    Summary:

    Details: Squid is vulnerable to a Denial of Service, where a remote attacker can perform buffer overflow attack by writing up to 2 MB of arbitrary data to heap memory when Squid is configured to accept HTTP Digest Authentication.

    References: https://ubuntu.com/security/CVE-2023-46847, https://github.com/squid-cache/squid/security/advisories/GHSA-phqj-m8gv-cq4g, https://lists.squid-cache.org/pipermail/squid-announce/2023-October/000154.html, https://megamansec.github.io/Squid-Security-Audit/digest-overflow.html, https://ubuntu.com/security/notices/USN-6500-1, https://ubuntu.com/security/notices/USN-6500-2, https://www.cve.org/CVERecord?id=CVE-2023-46847

    Affected packages

    Package

    Name: squid3

    Purl: pkg:deb/ubuntu/[email protected]+esm2?arch=source&distro=esm-infra/xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.5.12-1ubuntu7.16+esm2

    Affected versions

    3.3.8-1ubuntu16
    3.3.8-1ubuntu17

    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
    UBUNTU-CVE-2023-46847 | CVE-DB