CVE-2020-11993

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-444

Affected software

No affected versions have been published.

Timeline

Published
Aug 7, 2020
Last modified
Jun 17, 2026
NVD status
Analyzed

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