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CVE-2026-40170 ngtcp2 has a qlog transport parameter serialization stack buffer overflow

🗓️ 16 Apr 2026 21:34:07Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 1 Views

ngtcp2 before 1.22.1 risks transport parameter overflow with qlog; upgrade 1.22.1 or disable qlog.

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16 Jul 2026 03:48Current
7.4High risk
Vulners AI Score7.4
CVSS 3.17.5
EPSS0.00776
1