CVE-2026-57941 is a vulnerability in Apache HTTP Server
Published on October 1, 2026

Apache HTTP Server: mod_http2 use-after-free / wild write via shared session->bbtmp re-entrancy
Use After Free vulnerability in Apache HTTP Server's mod_http2 via shared session->bbtmp re-entrancy This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.

Vendor Advisory NVD

Timeline

2026-06-15

reported

2026-10-01

fixed in 2.4.x by r1938665 108 days later.

2026-10-01

2.4.69 released

Weakness Type

What is a Dangling pointer Vulnerability?

Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

CVE-2026-57941 has been classified to as a Dangling pointer vulnerability or weakness.

Products Associated with CVE-2026-57941

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Apache HTTP Server

Affected Versions

Apache Software Foundation Apache HTTP Server: