CVE-2023-49285

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    CVE-2023-49285

    Published: 4 Dec 2023Last Modified: 28 Oct 2026

    Summary: Denial of Service in HTTP Message Processing in Squid

    Details: Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to a Buffer Overread bug Squid is vulnerable to a Denial of Service attack against Squid HTTP Message processing. This bug is fixed by Squid version 6.5. Users are advised to upgrade. There are no known workarounds for this vulnerability.

    References: http://www.squid-cache.org/Versions/v5/SQUID-2023_7.patch, http://www.squid-cache.org/Versions/v6/SQUID-2023_7.patch, https://lists.debian.org/debian-lts-announce/2024/01/msg00003.html, https://lists.fedoraproject.org/archives/list/[email protected]/message/A5QASTMCUSUEW3UOMKHZJB3FTONWSRXS/, https://lists.fedoraproject.org/archives/list/[email protected]/message/MEV66D3PAAY6K7TWDT3WZBLCPLASFJDC/, https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/49xxx/CVE-2023-49285.json, https://github.com/squid-cache/squid/security/advisories/GHSA-8w9r-p88v-mmx9, https://nvd.nist.gov/vuln/detail/CVE-2023-49285, https://security.netapp.com/advisory/ntap-20240119-0004/, https://github.com/squid-cache/squid/commit/77b3fb4df0f126784d5fd4967c28ed40eb8d521b, https://github.com/squid-cache/squid/commit/deee944f9a12c9fd399ce52f3e2526bb573a9470

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -77b3fb4df0f126784d5fd4967c28ed40eb8d521b

    Affected versions

    SQUID_6_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
    CVE-2023-49285 | CVE-DB