CVE-2026-34355

high Apache
CVSS v3 Base Score
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
1.2%
Exploitation probability in 30 days
Top 35% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
None
Integrity
None
Availability
High
Published: June 8, 2026 (90 days ago)
Last Modified: September 2, 2026
Vendor: Apache
Source: NVD

Description

A buffer overflow in mod_proxy_html in Apache HTTP Server 2.4.67 and earlier allows an attack by an untrusted backend. Users are recommended to upgrade to version 2.4.68, which fixes this issue.

CWE

CWE-122

Affected Products

apache http server

References

🔗 httpd.apache.org 🔗 www.openwall.com 🔗 access.redhat.com 🔗 access.redhat.com 🔗 access.redhat.com