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CVE-2026-19773

🗓️ 15 Sep 2026 18:01:09Reported by Debian Security Bug TrackerType 
debiancve
 debiancve
🔗 security-tracker.debian.org👁 4 Views

Unauthenticated RCE in libwebsockets via out-of-bounds write in HTTP/2 HPACK path header parsing.

Related
Packages
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-19773
15 Sep 202619:10
–circl
cve
CVE
CVE-2026-19773
15 Sep 202618:01
–cve
cvelist
Cvelist
CVE-2026-19773 libwebsockets HTTP/2 HPACK Path Header Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
15 Sep 202618:01
–cvelist
euvd
EUVD
EUVD-2026-79130
15 Sep 202618:01
–euvd
nvd
NVD
CVE-2026-19773
15 Sep 202619:17
–nvd
osv
OSV
DEBIAN-CVE-2026-19773
15 Sep 202619:17
–osv
osv
OSV
UBUNTU-CVE-2026-19773
15 Sep 202619:17
–osv
ptsecurity
Positive Technologies
PT-2026-81074
24 Aug 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-19773: Out-of-bounds Write
15 Sep 202600:00
–rapid7
ubuntucve
UbuntuCve
CVE-2026-19773
15 Sep 202619:17
–ubuntucve
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Debian12alllibwebsockets4.1.6-3libwebsockets_4.1.6-3_all.deb
Debian13alllibwebsockets4.3.5-1+deb13u2libwebsockets_4.3.5-1+deb13u2_all.deb
Debian14alllibwebsockets4.3.5-6libwebsockets_4.3.5-6_all.deb
Debian999alllibwebsockets4.3.5-6libwebsockets_4.3.5-6_all.deb

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15 Sep 2026 18:01Current
8.7High risk
Vulners AI Score8.7
CVSS 39.8
EPSS0.00646
SSVC
4