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CVE-2026-54340 h2o has HTTP/2 state amplification

🗓️ 16 Jul 2026 23:29:50Reported by GoogleType 
osv_cve
 osv_cve
🔗 osv.dev👁 18 Views

CVE-2026-54340 h2o: HTTP/2 state amplification via HPACK and slow stalls; fixed by commit 9265bdd.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-54340
16 Jul 202623:29
–attackerkb
cve
CVE
CVE-2026-54340
16 Jul 202623:29
–cve
cvelist
Cvelist
CVE-2026-54340 h2o has HTTP/2 state amplification
16 Jul 202623:29
–cvelist
debiancve
Debian CVE
CVE-2026-54340
16 Jul 202623:29
–debiancve
euvd
EUVD
EUVD-2026-45075
16 Jul 202623:29
–euvd
mend
Mend
CVE-2026-54340
16 Jul 202623:29
–mend
nvd
NVD
CVE-2026-54340
17 Jul 202600:16
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-54340
17 Jul 202600:16
–osv_debian
osv_ubuntu
osv_ubuntu
UBUNTU-CVE-2026-54340
17 Jul 202600:16
–osv_ubuntu
ptsecurity
Positive Technologies
PT-2026-60605
16 Jul 202600:00
–ptsecurity
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12 Aug 2026 03:51Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.5
EPSS0.00493
18