CVE-2018-25227 — Valentina Studio 9

Valentina Studio 9.0.4 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the Host field. Attackers can trigger the crash by pasting a 256-byte buffer of repeated characters into the Host para

01What is this vulnerability?

Valentina Studio 9.0.4 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the Host field. Attackers can trigger the crash by pasting a 256-byte buffer of repeated characters into the Host parameter during server connection attempts.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2026-03-30T12:16:15.940
• Last modified: 2026-04-08T18:31:01.117

09References

• valentina-db.com — https://valentina-db.com/en/
• valentina-db.com — https://valentina-db.com/en/developer/database/download-valentina-database-adk
• www.exploit-db.com — https://www.exploit-db.com/exploits/46421
• www.vulncheck.com — https://www.vulncheck.com/advisories/valentina-studio-denial-of-service-via-host…