CVE-2022-30522

httpd: mod_sed: DoS vulnerability

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Severity

Moderate

Red Hat Product Security

7.5

CVSS 3.1

Review impact separately from score.

Published · June 8, 2022

Updated · October 9, 2026

Description

A flaw was found in the mod_sed module of httpd. A very large input to the mod_sed module can result in a denial of service due to excessively large memory allocations.

Statement

The mod_sed module is disabled by default on Red Hat Enterprise Linux 7 and 8. The httpd package as shipped with Red Hat Enterprise Linux 6 is not affected by this flaw because the mod_sed module is not available.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

Disabling mod_sed and restarting httpd will mitigate this flaw.

CVSS / CWE

CVSS 3.1 · 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-770 · Allocation of Resources Without Limits or Throttling