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CVE-2026-79977

🗓️ 23 Oct 2026 20:17:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 8 Views

WireGuard updates peer endpoint from unauthenticated transport-data, causing DoS.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-79977
23 Oct 202620:04
–circl
cnnvd
CNNVD
Zephyr authorization issue vulnerability
23 Oct 202600:00
–cnnvd
cve
CVE
CVE-2026-79977
23 Oct 202619:56
–cve
cvelist
Cvelist
CVE-2026-79977 WireGuard peer endpoint learned from unauthenticated transport-data messages allows off-path tunnel hijack in Zephyr
23 Oct 202619:56
–cvelist
euvd
EUVD
EUVD-2026-109140
23 Oct 202619:56
–euvd
mend
Mend
CVE-2026-79977
23 Oct 202619:56
–mend
nvd
NVD
CVE-2026-79977
23 Oct 202620:17
–nvd
osv_ubuntu
osv_ubuntu
UBUNTU-CVE-2026-79977
26 Oct 202600:00
–osv_ubuntu
ptsecurity
Positive Technologies
PT-2026-122211
23 Oct 202600:00
–ptsecurity
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-79977
27 Oct 202600:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu16.04allzephyr0zephyr_0_all.deb
Ubuntu18.04allzephyr0zephyr_0_all.deb
Ubuntu20.04allzephyr0zephyr_0_all.deb
Ubuntu22.04allzephyr0zephyr_0_all.deb
Ubuntu24.04allzephyr0zephyr_0_all.deb
Ubuntu26.04allzephyr0zephyr_0_all.deb
Ubuntu26.10allzephyr0zephyr_0_all.deb

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28 Oct 2026 16:19Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.18.2
EPSS0.00204
8