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CVE-2026-55213

🗓️ 10 Jul 2026 20:49:58Reported by Debian Security Bug TrackerType 
debiancve
 debiancve
🔗 security-tracker.debian.org👁 4 Views

CVE-2026-55213: h2o may crash from 800 KB on-stack alloca in HTTP/3 QPACK; fixed by commit edd7a120bfc4af11ac0cbebce2a43cc1f93f9af1.

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Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Debian11anyh2o2.2.5+dfsg2-6h2o_2.2.5+dfsg2-6_any.deb
Debian12anyh2o2.2.5+dfsg2-7h2o_2.2.5+dfsg2-7_any.deb

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10 Jul 2026 20:49Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.17.5
EPSS0.00343
SSVC
4