CVE-2023-39321

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    CVE-2023-39321

    Published: 8 Sept 2023Last Modified: 12 Aug 2026

    Summary: Panic when processing post-handshake message on QUIC connections in crypto/tls

    Details: Processing an incomplete post-handshake message for a QUIC connection can cause a panic.

    References: https://go.dev/cl/523039, https://go.dev/issue/62266, https://groups.google.com/g/golang-dev/c/2C5vbR-UNkI/m/L1hdrPhfBAAJ, https://pkg.go.dev, https://pkg.go.dev/vuln/GO-2023-2044, https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/39xxx/CVE-2023-39321.json, https://nvd.nist.gov/vuln/detail/CVE-2023-39321, https://security.gentoo.org/glsa/202311-09, https://security.netapp.com/advisory/ntap-20231020-0004/

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- c19c4c566c63818dfd059b352e52c4710eecf14d
    Fixed -2c1e5b05fe39fc5e6c730dd60e82946b8e67c6ba

    Affected versions

    go1.21.0

    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-2023-39321 | CVE-DB