Apache HTTP Server versions 2.4.20 to 2.4.43 When trace/debug was enabled for the HTTP/2 module and on certain traffic edge patterns, logging statements were made on the wrong connection, causing concurrent use of memory pools. Configuring the LogLevel of mod_http2 above "info" will mitigate this vulnerability for unpatched servers.

Related CVEs

CVE-2020-11993

Key Information

GHSA ID

GHSA-89mq-r3q6-9q3q

Published

May 24, 2022 5:25 PM

Last Modified

May 1, 2025 6:31 PM

CVSS Score

5.0 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: August 2, 2025 6:46 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.