BIT-apache-2021-41524

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    BIT-apache-2021-41524

    Published: 6 Mar 2024Last Modified: 8 Sept 2026

    Summary: null pointer dereference in h2 fuzzing

    Details: While fuzzing the 2.4.49 httpd, a new null pointer dereference was detected during HTTP/2 request processing, allowing an external source to DoS the server. This requires a specially crafted request. The vulnerability was recently introduced in version 2.4.49. No exploit is known to the project.

    References: http://www.openwall.com/lists/oss-security/2021/10/05/1, https://httpd.apache.org/security/vulnerabilities_24.html, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DSM6UWQICBJ2TU727RENU3HBKEAFLT6T/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EUVJVRJRBW5QVX4OY3NOHZDQ3B3YOTSG/, https://security.gentoo.org/glsa/202208-20, https://security.netapp.com/advisory/ntap-20211029-0009/, https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-pathtrv-LAzg68cZ, https://www.oracle.com/security-alerts/cpujan2022.html, https://nvd.nist.gov/vuln/detail/CVE-2021-41524

    Affected packages

    Package

    Name: apache

    Purl: pkg:bitnami/apache

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 2.4.49
    Fixed -2.4.50

    Affected versions

    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
    BIT-apache-2021-41524 | CVE-DB