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.

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Thu, 01 Oct 2026 21:30:00 +0000

Type Values Removed Values Added
References

Thu, 01 Oct 2026 20:30:00 +0000

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Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 01 Oct 2026 18:00:00 +0000

Type Values Removed Values Added
First Time appeared Apache
Apache apache Http Server
Vendors & Products Apache
Apache apache Http Server

Thu, 01 Oct 2026 16:30:00 +0000

Type Values Removed Values Added
Description 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.
Title Apache HTTP Server: mod_http2 use-after-free / wild write via shared session->bbtmp re-entrancy
Weaknesses CWE-416
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-10-01T20:09:25.619Z

Reserved: 2026-06-26T13:34:41.733Z

Link: CVE-2026-57941

cve-icon Vulnrichment

Updated: 2026-10-01T20:09:25.619Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-01T17:17:27.457

Modified: 2026-10-01T21:17:22.607

Link: CVE-2026-57941

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-01T23:00:20Z

Weaknesses