Rapid7

vulnerability

Apache HTTPD: CVE-2021-34798: NULL Pointer Dereference

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Sep 16, 2021
Added
Dec 22, 2021
Modified
Apr 9, 2026

Description

Malformed requests may cause the server to dereference a NULL pointer. This issue affects Apache HTTP Server 2.4.48 and earlier.

Solution

apache-httpd-upgrade-latest

References

    Title
    Rapid7 Labs

    2026 Global Threat Landscape Report

    The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.