CVE-2025-30346
Publication date 21 March 2025
Last updated 11 July 2025
Ubuntu priority
Description
Varnish Cache before 7.6.2 and Varnish Enterprise before 6.0.13r10 allow client-side desync via HTTP/1 requests.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| varnish | 26.04 LTS resolute |
Not affected
|
| 25.10 questing |
Not affected
|
|
| 24.04 LTS noble |
Needs evaluation
|
|
| 22.04 LTS jammy |
Needs evaluation
|
|
| 20.04 LTS focal | Ignored end of standard support, was needs-triage | |
| 18.04 LTS bionic |
Needs evaluation
|
|
| 16.04 LTS xenial |
Needs evaluation
|
|
| 14.04 LTS trusty |
Needs evaluation
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
5.4 · Medium
|
| Attack vector | Network |
| Attack complexity | High |
| Privileges required | None |
| User interaction | None |
| Scope | Changed |
| Confidentiality | Low |
| Integrity impact | Low |
| Availability impact | None |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N |
References
Other references
- https://www.cve.org/CVERecord?id=CVE-2025-30346
- https://varnish-cache.org/security/VSV00015.html
- https://github.com/varnishcache/varnish-cache/commit/8ef69a03b36aeac5f364c01eb20f821860e47f14 (varnish-7.7.0)
- https://github.com/varnishcache/varnish-cache/commit/a9640a13276048815cc51a12cda2603f4d4444e4 (varnish-7.6.2)