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CVE-2025-30346VulnerabilityPublished Updated

SUSE · Security update for varnish

Affects SUSESource GCVE Database

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Mentioned vulnerabilities

Not known to be exploited · fixed in SUSE package updates : patch SUSE soon.

Data as of 10 Nov 2026, 20:08 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

Patch
Available – fixed in 7.7.3

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 19 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 10 Nov 2026.

What to do

AI-suggested

Apply the official updates to Varnish versions 7.7.0 through 7.7.3 as provided by the vendor. These updates contain fixes for the identified vulnerabilities and stability issues. No additional mitigation steps are indicated beyond applying these patches.

Description

This security update for Varnish addresses multiple vulnerabilities and stability issues across versions 7.7.0 to 7.7.3. Notably, it fixes a request smuggling vulnerability (VSV-16) and ensures client connections are closed upon receiving malformed requests (CVE-2025-30346). Additional fixes include crash prevention when handling invalid Content-Range headers and improvements in HTTP/2 request timestamping. The update to version 7.7.3 also addresses CVE-2025-8671.

References

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