Apache HTTP Server: http2: double free and possible RCE on early reset
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.
02 / AFFECTED SOFTWARE
Affected packages
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
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.
05 / REFERENCES
Further evidence
- http://www.openwall.com/lists/oss-security/2026/05/04/19
- https://access.redhat.com/errata/RHSA-2026:13938
- https://access.redhat.com/security/cve/CVE-2026-23918
- https://bugzilla.redhat.com/show_bug.cgi?id=2465304
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23918.json
- https://httpd.apache.org/security/vulnerabilities_24.html
- https://nvd.nist.gov/vuln/detail/CVE-2026-23918
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23918.json