CWE
444
EPSS
0.036%
Advisory Published
Updated

CVE-2025-30346

First published: Fri Mar 21 2025(Updated: )

Varnish Cache before 7.6.2 and Varnish Enterprise before 6.0.13r10 allow client-side desync via HTTP/1 requests.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Varnish Enterprise<7.6.2
Varnish Enterprise<6.0.13r10
Varnish Cache=6.0.11-r1
Varnish Cache=6.0.11-r2
Varnish Cache=6.0.11-r3
Varnish Cache=6.0.11-r4
Varnish Cache=6.0.11-r5
Varnish Cache=6.0.11-r6
Varnish Cache=6.0.11-r7
Varnish Cache=6.0.12-r1
Varnish Cache=6.0.12-r2
Varnish Cache=6.0.12-r3
Varnish Cache=6.0.12-r4
Varnish Cache=6.0.12-r5
Varnish Cache=6.0.12-r6
Varnish Cache=6.0.12-r7
Varnish Cache=6.0.12-r8
Varnish Cache=6.0.12-r9
Varnish Cache=6.0.13-r1
Varnish Cache=6.0.13-r2
Varnish Cache=6.0.13-r3
Varnish Cache=6.0.13-r4
Varnish Cache=6.0.13-r5
Varnish Cache=6.0.13-r6
Varnish Cache=6.0.13-r7
Varnish Cache=6.0.13-r8
Varnish Cache=6.0.13-r9
Varnish Cache<7.6.2

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Frequently Asked Questions

  • What is the severity of CVE-2025-30346?

    The severity of CVE-2025-30346 is classified as high due to the potential for client-side desynchronization exploits.

  • How do I fix CVE-2025-30346?

    To mitigate CVE-2025-30346, upgrade Varnish Cache to version 7.6.2 or later and Varnish Enterprise to version 6.0.13r10 or later.

  • What types of software are affected by CVE-2025-30346?

    CVE-2025-30346 affects Varnish Cache versions prior to 7.6.2 and Varnish Enterprise versions prior to 6.0.13r10.

  • What kind of exploitation does CVE-2025-30346 allow?

    CVE-2025-30346 allows for client-side desynchronization via specially crafted HTTP/1 requests.

  • Is CVE-2025-30346 a remote vulnerability?

    Yes, CVE-2025-30346 can potentially be exploited remotely, making it a significant security concern.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203