CVE-2025-47905

MEDIUM

Varnish Cache <7.6.3-7.7.1 & Varnish Enterprise <6.0.13r14 - Open R...

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 5.4
EPSS 0.0029
EPSS Percentile 52.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-444
Status published
Products (3)
varnish-software/Varnish Cache < 6.0.14 LTS
varnish-software/Varnish Cache 7.0.0 - 7.6.3
varnish-software/Varnish Cache 7.7.0 - 7.7.1
Published May 13, 2025
Tracked Since Feb 18, 2026