by Kastro
Paper/Archive/CVE-2026-57941

CVE-2026-57941

Apache Software Foundation Apache HTTP Server — Apache HTTP Server: mod_http2 use-after-free / wild write via shared session->bbtmp re-entrancy

EPSS 0.6%CVSS 9.8
critical.is priorityof 100
39
CVSS 9.8 (ADP)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 47.2.472 × 209.4No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Apache HTTP Server2.4.0 – 2.4.68–CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

advisoryhttpd.apache.org/security/vulnerabilities_24.htmlrefopenwall.com/lists/oss-security/2026/10/01/19