HIGH 7.5 Microsoft

CVE-2020-11993

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.

Microsoft Security Update 2020-Aug: 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.

Affected Products

References

Published: 2020-08-11 · Source: Microsoft · Feed updated: 2026-08-21
This high severity vulnerability with a CVSS score of 7.5 was published on 2020-08-11 via Microsoft. EPSS score: 58.7% (top 1% of all CVEs by exploitation probability). Affected: cm1 httpd 2.4.46-5 on CBL Mariner 1.0.
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