CVE-2022-35507

HighCVSS 7.1/10Last modified Jun 17, 2026

Description

A response-header CRLF injection vulnerability in the Proxmox Virtual Environment (PVE) and Proxmox Mail Gateway (PMG) web interface allows a remote attacker to set cookies for a victim's browser that are longer than the server expects, causing a client-side DoS. This affects Chromium-based browsers because they allow injection of response headers with %0d. This is fixed in pve-http-server 4.1-3.

Metrics

CVSS 3.1 7.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H

Weakness enumeration

CWE-74

Affected software

No affected versions have been published.

Timeline

Published
Dec 4, 2022
Last modified
Jun 17, 2026
NVD status
Modified

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