CVE-2026-44433

Quicly is an IETF QUIC protocol implementation intended primarily for use within the H2O HTTP server. Prior to commit 8b178e6, an adversarial peer could send a STREAM frame carrying just one byte at the largest offset being permitted to obtain additional flow control credit, which under certain...

CVE-2026-44433

CVE-2026-44433 concerns the Quicly QUIC implementation (used with H2O HTTP server). Before commit 8b178e6, an adversarial peer could send a STREAM frame with a single byte at the largest permitted offset to obtain additional flow control credit, potentially causing a denial of service. If the app...

CVE-2025-61684 Quicly has assertion failures

Quicly, an IETF QUIC protocol implementation, is susceptible to a denial-of-service attack prior to commit d9d3df6a8530a102b57d840e39b0311ce5c9e14e. A remote attacker can exploit these bugs to trigger an assertion failure that crashes process using Quicly. Commit...

PT-2024-31600 · Quicly · Quicly

Name of the Vulnerable Software and Affected Versions: Quicly versions up to commtit d720707 Description: Quicly is an IETF QUIC protocol implementation. It is susceptible to a denial-of-service attack. A remote attacker can exploit these bugs to trigger an assertion failure that crashes the...