CVE-2022-30780

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    CVE-2022-30780

    Published: 11 Jun 2022Last Modified: 12 Aug 2026

    Summary:

    Details: Lighttpd 1.4.56 through 1.4.58 allows a remote attacker to cause a denial of service (CPU consumption from stuck connections) because connection_read_header_more in connections.c has a typo that disrupts use of multiple read operations on large headers.

    References: https://podalirius.net/en/cves/2022-30780/, https://redmine.lighttpd.net/issues/3059, https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/30xxx/CVE-2022-30780.json, https://nvd.nist.gov/vuln/detail/CVE-2022-30780, https://github.com/lighttpd/lighttpd1.4, https://github.com/p0dalirius/CVE-2022-30780-lighttpd-denial-of-service

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- b8e011d230c206503f072cce0c176da8a938cf00
    Fixed -992ba517abcfe9c162df0ba1383a051fe4ebd77c

    Affected versions

    1.4.56
    1.4.57
    1.4.58

    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-2022-30780 | CVE-DB