CVE-2022-22721

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    CVE-2022-22721

    Published: 14 Mar 2022Last Modified: 24 Oct 2026

    Summary: core: Possible buffer overflow with very large or unlimited LimitXMLRequestBody

    Details: If LimitXMLRequestBody is set to allow request bodies larger than 350MB (defaults to 1M) on 32 bit systems an integer overflow happens which later causes out of bounds writes. This issue affects Apache HTTP Server 2.4.52 and earlier.

    References: https://httpd.apache.org/security/vulnerabilities_24.html, https://support.apple.com/kb/HT213255, https://support.apple.com/kb/HT213256, https://support.apple.com/kb/HT213257, https://www.oracle.com/security-alerts/cpuapr2022.html, https://www.oracle.com/security-alerts/cpujul2022.html, https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/22xxx/CVE-2022-22721.json, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RGWILBORT67SHMSLYSQZG2NMXGCMPUZO/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X73C35MMMZGBVPQQCH7LQZUMYZNQA5FO/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7H26WJ6TPKNWV3QKY4BHKUKQVUTZJTD/, https://nvd.nist.gov/vuln/detail/CVE-2022-22721, https://security.gentoo.org/glsa/202208-20, https://security.netapp.com/advisory/ntap-20220321-0001/, http://seclists.org/fulldisclosure/2022/May/33, http://seclists.org/fulldisclosure/2022/May/35, http://seclists.org/fulldisclosure/2022/May/38, http://www.openwall.com/lists/oss-security/2022/03/14/2, https://lists.debian.org/debian-lts-announce/2022/03/msg00033.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    2.4.52

    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-2022-22721 | CVE-DB