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High severity7.1NVD Advisory· Published Dec 4, 2022· Updated Jun 17, 2026

CVE-2022-35507

CVE-2022-35507

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.

Affected products

7
  • Proxmox/Mail Gateway2 versions
    cpe:2.3:a:proxmox:proxmox_mail_gateway:-:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:proxmox:proxmox_mail_gateway:-:*:*:*:*:*:*:*
    • (no CPE)
  • Proxmox/Pve HTTP Server2 versions
    cpe:2.3:a:proxmox:pve_http_server:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:proxmox:pve_http_server:*:*:*:*:*:*:*:*range: <4.1-3
    • (no CPE)range: <4.1-3
  • Proxmox/Virtual Environment2 versions
    cpe:2.3:a:proxmox:virtual_environment:-:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:proxmox:virtual_environment:-:*:*:*:*:*:*:*
    • (no CPE)
  • Proxmox/Virtual Environmentdescription

Patches

Vulnerability mechanics

References

2

News mentions

0

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