vulnerability
Red Hat: CVE-2025-47905: varnish: request smuggling attacks (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:N/C:C/I:C/A:N) | May 13, 2025 | May 30, 2025 | Jun 17, 2026 |
Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:N)
Published
May 13, 2025
Added
May 30, 2025
Modified
Jun 17, 2026
Description
Varnish Cache before 7.6.3 and 7.7 before 7.7.1, and Varnish Enterprise before 6.0.13r14, allow client-side desync via HTTP/1 requests, because the product incorrectly permits CRLF to be skipped to delimit chunk boundaries.
Solutions
redhat-upgrade-varnishredhat-upgrade-varnish-develredhat-upgrade-varnish-docsredhat-upgrade-varnish-modulesredhat-upgrade-varnish-modules-debuginforedhat-upgrade-varnish-modules-debugsource
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.