GO-2026-5942

    Dashboard / Vulnerabilities / GO-2026-5942

    GO-2026-5942

    Published: 14 Jul 2026Last Modified: 17 Aug 2026

    Summary: Parsing an invalid SVCB or HTTPS RR can panic in golang.org/x/net/dns/dnsmessage

    Details: Parsing an invalid SVCB or HTTPS RR can panic when the size of a parameter value overflows the message buffer.

    References: https://go.dev/cl/786345, https://go.dev/issue/79795, https://groups.google.com/g/golang-announce/c/94pEornpRlI

    Affected packages

    Package

    Name: stdlib

    Purl: pkg:golang/stdlib

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 1.26.0-0
    Fixed -1.26.6

    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