CVE-2025-47905
varnishVulnerabilityCVSS 5.4Patched
No public exploitation has been reported so far. A fixed version is available (see the table below).
Recommended action: Update to the fixed version listed for your distribution using the native package manager.
Severity metrics
CVSS 3.1 : 5.4 MEDIUM
Attack vectorNetwork (remote)
Attack complexityHigh
Privileges requiredNone
User interactionNone
ScopeChanged
Confidentiality impactLow
Integrity impactLow
Availability impactNone
Vector: AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
Affected & fixed versions by distribution
Versions are the native distribution strings (backport-aware): RHEL/Debian/SUSE backport fixes, so compare with the distro version comparator (dpkg / rpm / vercmp), not the upstream version.
| Distribution | Package | Affected | Fixed version | Status |
|---|---|---|---|---|
| Debian:11 | varnish | - | 6.5.1-1+deb11u5 | fixed |
| Debian:12 | varnish | - | 7.1.1-2+deb12u1 | fixed |
| Debian:13 | varnish | - | 7.7.0-2 | fixed |
| Ubuntu:14.04:LTS | varnish | - | - | affected (no fix yet) |
| Ubuntu:Pro:16.04:LTS | varnish | - | - | affected (no fix yet) |
| Ubuntu:Pro:18.04:LTS | varnish | - | - | affected (no fix yet) |
| Ubuntu:Pro:20.04:LTS | varnish | - | - | affected (no fix yet) |
| Ubuntu:Pro:22.04:LTS | varnish | - | - | affected (no fix yet) |
| Ubuntu:24.04:LTS | varnish | - | - | affected (no fix yet) |
| Red Hat:rhel_eus:8.8::appstream | varnish | - | 0:6.0.8-3.module+el8.8.0+23121+d8c7990e.3 | fixed |
| Red Hat:rhel_aus:8.6::appstream | varnish | - | 0:6.0.8-2.module+el8.6.0+23122+0639db89.4 | fixed |
| Red Hat:rhel_e4s:8.6::appstream | varnish | - | 0:6.0.8-2.module+el8.6.0+23122+0639db89.4 | fixed |
| Red Hat:rhel_tus:8.6::appstream | varnish | - | 0:6.0.8-2.module+el8.6.0+23122+0639db89.4 | fixed |
| Red Hat:enterprise_linux:8::appstream | varnish | - | 0:6.0.13-1.module+el8.10.0+23111+831cc069.1 | fixed |
| Red Hat:enterprise_linux:9::appstream | varnish | - | 0:6.6.2-6.el9_6.1 | fixed |
| Red Hat:rhel_aus:8.2::appstream | varnish | - | 0:6.0.6-1.module+el8.2.0+23124+897a7786.1 | fixed |
| Red Hat:rhel_aus:8.4::appstream | varnish | - | 0:6.0.6-2.module+el8.4.0+23123+54dbaab7.6 | fixed |
| Red Hat:rhel_e4s:8.4::appstream | varnish | - | 0:6.0.6-2.module+el8.4.0+23123+54dbaab7.6 | fixed |
| Red Hat:rhel_tus:8.4::appstream | varnish | - | 0:6.0.6-2.module+el8.4.0+23123+54dbaab7.6 | fixed |
| Red Hat:rhel_eus:9.4::appstream | varnish | - | 0:6.6.2-5.el9_4.1 | fixed |
| Red Hat:rhel_e4s:9.0::appstream | varnish | - | 0:6.6.2-2.el9_0.4 | fixed |
| Red Hat:rhel_eus:9.2::appstream | varnish | - | 0:6.6.2-3.el9_2.3 | fixed |
| Red Hat:enterprise_linux:10.0 | varnish | - | 0:7.6.1-2.el10_0.1 | fixed |