Bug 2498489 - CVE-2025-3110 openvpn: OpenVPN Access Server: HTTP request smuggling via bare line-feed sequences in HTTP headers [fedora-all]
Summary: CVE-2025-3110 openvpn: OpenVPN Access Server: HTTP request smuggling via bare...
Keywords:
Status: CLOSED NOTABUG
Alias: None
Product: Fedora
Classification: Fedora
Component: openvpn
Version: rawhide
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Frank Lichtenheld
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["dc90124b-4be1-4fc6-9344-a...
Depends On:
Blocks: CVE-2025-3110
TreeView+ depends on / blocked
 
Reported: 2026-07-09 12:44 UTC by Srikanth Balasubramanian
Modified: 2026-07-09 12:53 UTC (History)
5 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2026-07-09 12:53:23 UTC
Type: ---
Embargoed:

Attachments (Terms of Use)

Description Srikanth Balasubramanian 2026-07-09 12:44:08 UTC 
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

OpenVPN Access Server 2.7.2 through 3.1.0 accepts bare line-feed sequences inside HTTP header values, allowing remote attackers to perform HTTP request smuggling when deployed behind a reverse proxy
Comment 1 Frank Lichtenheld 2026-07-09 12:53:23 UTC 
OpenVPN AS is a commercial product based on openvpn, but is not openvpn.
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