CVE-2026-34355
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.
Scoring
- Severity
- HIGH
- CVSS base score
- 7.5
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS probability
- 1.16%
- CWE
- CWE-122
- Published
- 2026-06-08
- Last modified
- 2026-09-14
Affected products
- Apache Software Foundation Apache HTTP Server
Weakness type
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