CVE-2026-23918: falha de alta gravidade em Apache HTTP Server
Apache HTTP Server: http2: double free and possible RCE on early reset
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55Vexday Risk Score
Sem sinal de exploração. Ela tem prova de conceito pública.
ssvc Attendcvss 8.8epss 50%
da publicação à arma1 dia
Publicada no NVD4 de mai.
1ª PoC+1d
Double Free and possible RCE vulnerability in Apache HTTP Server with the HTTP/2 protocol.
This issue affects Apache HTTP Server: 2.4.66.
Users are recommended to upgrade to version 2.4.67, which fixes the issue.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Produtos afetados
Apache Software Foundation · Apache HTTP ServerPoCs públicas encontradas — 16
exploitdbwww.exploit-db.com/exploits/52577não verificadogithubgithub.com/striga-ai/CVE-2026-23918★ 32githubgithub.com/xeloxa/CVE-2026-23918-Apache-H2-PoC★ 23githubgithub.com/rhasan-com/CVE-2026-23918★ 8githubgithub.com/qassam-315/CVE-2026-23918-Elite-Auditor★ 6githubgithub.com/12lie20/CVE-2026-23918-test★ 4githubgithub.com/hackervlogofficial/CVE-2026-23918★ 1githubgithub.com/alt3kx/CVE-2026-23918★ 1githubgithub.com/Bencodin/CVE-2026-23918-poc★ 0githubgithub.com/seguridadentrerios/CVE-2026-23918★ 0githubgithub.com/rshosting/Apache-CVE-2026-23918-fix★ 0githubgithub.com/aa022/CVE-2026-23918-Passive-Audit★ 0githubgithub.com/insomnisec/Detections-CVE-2026-23918★ 0githubgithub.com/sibersan/apache_audit_cve-2026-23918★ 0githubgithub.com/gagaltotal/CVE-2026-23918-Double-free-Apache-httpd-mod_http2★ 0githubgithub.com/CYFARE/CVE-2026-23918-Apache-HTTP-Server-DoubleFree-PoC★ 0⚠ Recursos públicos, para você avaliar a exposição de sistemas que controla ou está autorizado a testar. Teste apenas com autorização.
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Referências
https://access.redhat.com/errata/RHSA-2026:13938https://access.redhat.com/security/cve/CVE-2026-23918https://bugzilla.redhat.com/show_bug.cgi?id=2465304https://httpd.apache.org/security/vulnerabilities_24.htmlhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23918.jsonhttp://www.openwall.com/lists/oss-security/2026/05/04/19