Products: 2
Vulnerabilities: 38
Known Exploited: 0
5
Critical Level Threats
23
High Level Threats
10
Medium Level Threats
0
Low Level Threats
Vulnerabilities
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Critical Level Threats
High Level Threats
Medium Level Threats
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Vulnerabilities
CVE-2026-55367
h2o: heap exhaustion using capsules
Last Modified: Nov 04, 2026
Published: Nov 04, 2026
CVE-2026-55368
h2o: buffer overflow when using the %{error}x log directive
Last Modified: Nov 04, 2026
Published: Nov 04, 2026
CVE-2026-54340
h2o has HTTP/2 state amplification
Last Modified: Jul 17, 2026
Published: Jul 16, 2026
CVE-2026-44453
h2o is vulnerable to musl libc stack overflow
Last Modified: Jul 17, 2026
Published: Jul 16, 2026
CVE-2026-44452
h2o is vulnerable to heap overrun
Last Modified: Jul 17, 2026
Published: Jul 16, 2026
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