CVE-2021-44790

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    CVE-2021-44790

    Published: 20 Dec 2021Last Modified: 8 Jul 2026

    Summary:

    Details: A carefully crafted request body can cause a buffer overflow in the mod_lua multipart parser (r:parsebody() called from Lua scripts). The Apache httpd team is not aware of an exploit for the vulnerabilty though it might be possible to craft one. This issue affects Apache HTTP Server 2.4.51 and earlier.

    References: http://httpd.apache.org/security/vulnerabilities_24.html, 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/2021/12/20/4, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFSWOH4X77CV7AH7C4RMHUBDWKQDL4YH/, 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://security.gentoo.org/glsa/202208-20, https://security.netapp.com/advisory/ntap-20211224-0001/, https://support.apple.com/kb/HT213255, https://support.apple.com/kb/HT213256, https://support.apple.com/kb/HT213257, https://www.debian.org/security/2022/dsa-5035, https://www.tenable.com/security/tns-2022-01, https://www.tenable.com/security/tns-2022-03, https://www.oracle.com/security-alerts/cpuapr2022.html, https://www.oracle.com/security-alerts/cpujan2022.html, http://packetstormsecurity.com/files/171631/Apache-2.4.x-Buffer-Overflow.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -fed3b8a079835cd63648d8903bc69243ce2c472a

    Affected versions

    candidate-2.4.52-rc1

    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-2021-44790 | CVE-DB