CVE-2022-30556

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    CVE-2022-30556

    Published: 8 Jun 2022Last Modified: 23 Sept 2026

    Summary: Information Disclosure in mod_lua with websockets

    Details: Apache HTTP Server 2.4.53 and earlier may return lengths to applications calling r:wsread() that point past the end of the storage allocated for the buffer.

    References: https://httpd.apache.org/security/vulnerabilities_24.html, https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/30xxx/CVE-2022-30556.json, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7QUGG2QZWHTITMABFLVXA4DNYUOTPWYQ/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YPY2BLEVJWFH34AX77ZJPLD2OOBYR6ND/, https://nvd.nist.gov/vuln/detail/CVE-2022-30556, https://security.gentoo.org/glsa/202208-20, https://security.netapp.com/advisory/ntap-20220624-0005/, http://www.openwall.com/lists/oss-security/2022/06/08/7

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -5ed6876d88a45356ea39ece729853fc9c9f37e2d

    Affected versions

    2.4.54-rc3-candidate

    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-2022-30556 | CVE-DB