ALPINE-CVE-2021-31808

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    ALPINE-CVE-2021-31808

    Published: 27 May 2021Last Modified: 27 Aug 2026
    Upstream:
    CVE-2021-31808

    Summary:

    Details: An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to an input-validation bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy). A client sends an HTTP Range request to trigger this.

    References: https://security.alpinelinux.org/vuln/CVE-2021-31808

    Affected packages

    Package

    Name: squid

    Purl: pkg:apk/alpine/squid?arch=source

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 5.0
    Fixed -4.15-r0

    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
    ALPINE-CVE-2021-31808 | CVE-DB