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CVE-2026-68553 Coturn: Format String Injection via TURN USERNAME/REALM into hiredis Redis Command

🗓️ 19 Aug 2026 20:37:42Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 2 Views

Coturn before 4.13.0 allows authenticated users to inject printf-format specifiers into TURN USERNAME/REALM fields, causing hiredis to crash or leak stack memory via Redis commands.

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20 Aug 2026 11:47Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.17.1
2