CVE-2025-47905

mediumpriority · track · 0EPSS 0.004 · 30 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.37% (30th) EPSS

CVSS 5.4 · medium

Is it mine?

32 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

5.4

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15.4mediumAV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.15.4mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:Nsecondary · ENISA EU

v3.15.4mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:Nsecondary · cve@mitre.org USexploitability 2.2 · impact 2.7

v3.15mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-444USCWE-444US

affected products (32)

Products and version ranges known to be affected.

Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Fedora Linuxall versionscert_bundDEcpe:/o:fedoraproject:fedora:-
Gentoo Linuxall versionscert_bundDEcpe:/o:gentoo:linux:-
Open Source Arch Linuxall versionscert_bundDEcpe:/o:archlinux:archlinux:-
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Open Source Varnish HTTP Cache< 6.0.13r14 Enterprisecert_bundDE
Open Source Varnish HTTP Cache< 6.0.14 LTScert_bundDE
Open Source Varnish HTTP Cache< 7.6.3cert_bundDE
Open Source Varnish HTTP Cache< 7.7.1cert_bundDE
varnish-software Varnish Cache0 → 6.0.14 LTSenisa_euvdEU
varnish-software Varnish Cache7.0.0 → 7.6.3enisa_euvdEU
varnish-software Varnish Cache7.7.0 → 7.7.1enisa_euvdEU
Novell Inc. SUSE Liberty Linux≤ 8fstec_bduRU
Novell Inc. SUSE Liberty Linux≤ 9fstec_bduRU
Red Hat Inc. Red Hat Enterprise Linux≤ 8.4 Update Services for SAP Solutionsfstec_bduRU
Red Hat Inc. Red Hat Enterprise Linux≤ 8fstec_bduRU
Red Hat Inc. Red Hat Enterprise Linux≤ 8.2 Advanced Update Supportfstec_bduRU
Red Hat Inc. Red Hat Enterprise Linux≤ 10fstec_bduRU
Red Hat Inc. Red Hat Enterprise Linux≤ 8.6 Advanced Mission Critical Update Supportfstec_bduRU

showing 20 of 32

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-1005Varnish HTTP Cache: Schwachstelle ermöglicht Manipulation von DateienDeutsch2025-05-12csaf · cert_bundDE
Ein Angreifer kann eine Schwachstelle in Varnish HTTP Cache ausnutzen, um Dateien zu manipulieren.
BIT-varnish-2025-479052025-05-28vendor · osvUS
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.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund osv NVD CVE.org MITRE

published 2025-05-13modified 2026-06-17

references (7)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan