CVE catalog
CVE-2025-47905
varnish: CVE-2025-47905
- Severity
- High · CVSS 8.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.37% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | varnish | trixie | 7.7.0-3+deb13u1 | fixed |
| Debian | varnish | trixie-security | 7.7.0-3+deb13u2 | fixed |
| Debian | varnish | bookworm | 7.1.1-2+deb12u1 | fixed |
| Debian | varnish | bookworm-security | 7.1.1-2+deb12u1 | fixed |
| Alpine | varnish | 3.21 | 7.6.3-r0 | fixed |
| Alpine | varnish | 3.22 | 7.7.1-r0 | fixed |
| Alpine | varnish | 3.23 | 7.7.1-r0 | fixed |
| Alpine | varnish | 3.24 | 7.7.1-r0 | fixed |
| Ubuntu | varnish | 14.04 | 3.0.4-1ubuntu1 | vulnerable |
| Ubuntu | varnish | 14.04 | 3.0.4-1ubuntu2 | vulnerable |
| Ubuntu | varnish | 14.04 | 3.0.5-1ubuntu2 | vulnerable |
| Ubuntu | varnish | 14.04 | 3.0.5-2 | vulnerable |
| Ubuntu | varnish | 14.04 | 3.0.5-2ubuntu0.1 | vulnerable |
| Ubuntu | varnish | pro | 6.5.2-1 | vulnerable |
| Ubuntu | varnish | pro | 6.6.1-1 | vulnerable |
| Ubuntu | varnish | pro | 6.6.1-1ubuntu0.2 | vulnerable |
| Ubuntu | varnish | pro | 6.6.1-1ubuntu0.2+esm1 | vulnerable |
| Ubuntu | varnish | 24.04 | 7.1.1-1.1ubuntu1 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | varnish | source | trixie | 7.7.0-2 | not yet assigned | Not reported | Not reported |
| Debian | varnish | source | bookworm | 7.1.1-2+deb12u1 | not yet assigned | Not reported | Not reported |
| Alpine | varnish | apk | 3.21 | 7.6.3-r0 | Not reported | ALPINE-CVE-2025-47905 | Not reported |
| Alpine | varnish | apk | 3.22 | 7.7.1-r0 | Not reported | ALPINE-CVE-2025-47905 | Not reported |
| Alpine | varnish | apk | 3.23 | 7.7.1-r0 | Not reported | ALPINE-CVE-2025-47905 | Not reported |
| Alpine | varnish | apk | 3.24 | 7.7.1-r0 | Not reported | ALPINE-CVE-2025-47905 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libvarnishapi3]Fixed
Source package: [varnish]
Details (4)
7.1.1-2+deb12u1· amd64 · bookwormFixed · Fixed:
7.1.1-2+deb12u1dsa · varnish · debian · bookworm; dsa · varnish · debian · 12
7.1.1-2+deb12u1· arm64 · bookwormFixed · Fixed:
7.1.1-2+deb12u1dsa · varnish · debian · bookworm; dsa · varnish · debian · 12
7.1.1-2+deb12u1· amd64 · bookworm-securityFixed · Fixed:
7.1.1-2+deb12u1dsa · varnish · debian · bookworm; dsa · varnish · debian · 12
7.1.1-2+deb12u1· arm64 · bookworm-securityFixed · Fixed:
7.1.1-2+deb12u1dsa · varnish · debian · bookworm; dsa · varnish · debian · 12
- [libvarnishapi-dev]Fixed
Source package: [varnish]
Details (4)
7.1.1-2+deb12u1· amd64 · bookwormFixed · Fixed:
7.1.1-2+deb12u1dsa · varnish · debian · bookworm; dsa · varnish · debian · 12
7.1.1-2+deb12u1· arm64 · bookwormFixed · Fixed:
7.1.1-2+deb12u1dsa · varnish · debian · bookworm; dsa · varnish · debian · 12
7.1.1-2+deb12u1· amd64 · bookworm-securityFixed · Fixed:
7.1.1-2+deb12u1dsa · varnish · debian · bookworm; dsa · varnish · debian · 12
7.1.1-2+deb12u1· arm64 · bookworm-securityFixed · Fixed:
7.1.1-2+deb12u1dsa · varnish · debian · bookworm; dsa · varnish · debian · 12
- [varnish]Fixed
Details (4)
7.1.1-2+deb12u1· amd64 · bookwormFixed · Fixed:
7.1.1-2+deb12u1dsa · varnish · debian · bookworm; dsa · varnish · debian · 12
7.1.1-2+deb12u1· arm64 · bookwormFixed · Fixed:
7.1.1-2+deb12u1dsa · varnish · debian · bookworm; dsa · varnish · debian · 12
7.1.1-2+deb12u1· amd64 · bookworm-securityFixed · Fixed:
7.1.1-2+deb12u1dsa · varnish · debian · bookworm; dsa · varnish · debian · 12
7.1.1-2+deb12u1· arm64 · bookworm-securityFixed · Fixed:
7.1.1-2+deb12u1dsa · varnish · debian · bookworm; dsa · varnish · debian · 12
- [varnish-doc]Fixed
Source package: [varnish]
Details (4)
7.1.1-2+deb12u1· all · bookwormFixed · Fixed:
7.1.1-2+deb12u1dsa · varnish · debian · bookworm; dsa · varnish · debian · 12
7.1.1-2+deb12u1· all · bookwormFixed · Fixed:
7.1.1-2+deb12u1dsa · varnish · debian · bookworm; dsa · varnish · debian · 12
7.1.1-2+deb12u1· all · bookworm-securityFixed · Fixed:
7.1.1-2+deb12u1dsa · varnish · debian · bookworm; dsa · varnish · debian · 12
7.1.1-2+deb12u1· all · bookworm-securityFixed · Fixed:
7.1.1-2+deb12u1dsa · varnish · debian · bookworm; dsa · varnish · debian · 12
[Debian 13 (Trixie)]
- [libvarnishapi3]Fixed
Source package: [varnish]
Details (5)
7.7.0-3+deb13u1· amd64 · trixieFixed · Fixed:
7.7.0-2dsa · varnish · debian · 13
7.7.0-3+deb13u1· arm64 · trixieFixed · Fixed:
7.7.0-2dsa · varnish · debian · 13
7.7.0-3+deb13u1· amd64 · trixie-security · Historical versionFixed · Fixed:
7.7.0-2dsa · varnish · debian · 13
7.7.0-3+deb13u1· arm64 · trixie-securityFixed · Fixed:
7.7.0-2dsa · varnish · debian · 13
7.7.0-3+deb13u2· amd64 · trixie-securityFixed · Fixed:
7.7.0-2dsa · varnish · debian · 13
- [libvarnishapi-dev]Fixed
Source package: [varnish]
Details (5)
7.7.0-3+deb13u1· amd64 · trixieFixed · Fixed:
7.7.0-2dsa · varnish · debian · 13
7.7.0-3+deb13u1· arm64 · trixieFixed · Fixed:
7.7.0-2dsa · varnish · debian · 13
7.7.0-3+deb13u1· amd64 · trixie-security · Historical versionFixed · Fixed:
7.7.0-2dsa · varnish · debian · 13
7.7.0-3+deb13u1· arm64 · trixie-securityFixed · Fixed:
7.7.0-2dsa · varnish · debian · 13
7.7.0-3+deb13u2· amd64 · trixie-securityFixed · Fixed:
7.7.0-2dsa · varnish · debian · 13
- [varnish]Fixed
Details (5)
7.7.0-3+deb13u1· amd64 · trixieFixed · Fixed:
7.7.0-2dsa · varnish · debian · 13
7.7.0-3+deb13u1· arm64 · trixieFixed · Fixed:
7.7.0-2dsa · varnish · debian · 13
7.7.0-3+deb13u1· amd64 · trixie-security · Historical versionFixed · Fixed:
7.7.0-2dsa · varnish · debian · 13
7.7.0-3+deb13u1· arm64 · trixie-securityFixed · Fixed:
7.7.0-2dsa · varnish · debian · 13
7.7.0-3+deb13u2· amd64 · trixie-securityFixed · Fixed:
7.7.0-2dsa · varnish · debian · 13
- [varnish-doc]Fixed
Source package: [varnish]
Details (5)
7.7.0-3+deb13u1· all · trixieFixed · Fixed:
7.7.0-2dsa · varnish · debian · 13
7.7.0-3+deb13u1· all · trixieFixed · Fixed:
7.7.0-2dsa · varnish · debian · 13
7.7.0-3+deb13u1· all · trixie-security · Historical versionFixed · Fixed:
7.7.0-2dsa · varnish · debian · 13
7.7.0-3+deb13u1· all · trixie-securityFixed · Fixed:
7.7.0-2dsa · varnish · debian · 13
7.7.0-3+deb13u2· all · trixie-securityFixed · Fixed:
7.7.0-2dsa · varnish · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2025_8336.json]
- [https://osv.dev/vulnerability/ALPINE-CVE-2025-47905]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2025-47905]
- [https://osv.dev/vulnerability/DLA-4187-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2025-47905]
- [https://security-tracker.debian.org/tracker/CVE-2025-47905]
- [https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-47905.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-1005.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]