CVE-2026-34356

7.5 highEPSS 0.7%

High (7.5) in apache http server. EPSS 0.7% chance of exploitation in the next 30 days.

Heap-based Buffer Overflow vulnerability in Apache HTTP Server with malicious backend servers and ProxyPassReverseCookie* This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 53% of CVEs (scores of 2026-10-31)
CWE: CWE-122
Published: 2026-06-08
Modified: 2026-07-23
Record from: the NVD, synced 2026-10-19

Affected

apache:http_server

References

https://httpd.apache.org/security/vulnerabilities_24.html
http://www.openwall.com/lists/oss-security/2026/06/08/7

Check your stack JSON