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CVE-2026-44452

🗓️ 16 Jul 2026 23:16:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 16 Views

H2O HTTP server may crash when a TLS or QUIC ClientHello has a zero-length server name indication.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-44452
16 Jul 202622:54
attackerkb
circl
Circl
CVE-2026-44452
17 Jul 202600:10
circl
cve
CVE
CVE-2026-44452
16 Jul 202622:54
cve
cvelist
Cvelist
CVE-2026-44452 h2o is vulnerable to heap overrun
16 Jul 202622:54
cvelist
debiancve
Debian CVE
CVE-2026-44452
16 Jul 202622:54
debiancve
euvd
EUVD
EUVD-2026-45073
16 Jul 202622:54
euvd
freebsd
FreeBSD
h2o -- heap overrun parsing zero-length SNI
29 May 202600:00
freebsd
nessus
Tenable Nessus
FreeBSD : h2o -- heap overrun parsing zero-length SNI (fba766f4-ccda-4e1b-8875-ab857c6a6532)
12 Jun 202600:00
nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-44452
18 Jul 202600:00
nessus
nvd
NVD
CVE-2026-44452
16 Jul 202623:16
nvd
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu18.04allh2o0h2o_0_all.deb
Ubuntu20.04allh2o0h2o_0_all.deb
Ubuntu22.04allh2o0h2o_0_all.deb
Ubuntu24.04allh2o0h2o_0_all.deb
Ubuntu24.04alldnsdist0dnsdist_0_all.deb

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07 Aug 2026 14:02Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.9
EPSS0.0025
SSVC
16