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CVE-2026-77399

🗓️ 22 Sep 2026 19:16:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 5 Views

DoS in icalendar 6.1.0-7.2.1 via unbounded expansion of VALARM REPEAT values.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-77399
22 Sep 202619:56
–circl
cve
CVE
CVE-2026-77399
22 Sep 202618:58
–cve
cvelist
Cvelist
CVE-2026-77399 icalendar: Denial of service via unbounded VALARM REPEAT expansion
22 Sep 202618:58
–cvelist
debiancve
Debian CVE
CVE-2026-77399
22 Sep 202618:58
–debiancve
euvd
EUVD
EUVD-2026-84800
22 Sep 202618:58
–euvd
nvd
NVD
CVE-2026-77399
22 Sep 202619:16
–nvd
osv
OSV
DEBIAN-CVE-2026-77399
22 Sep 202619:16
–osv
osv
OSV
UBUNTU-CVE-2026-77399
22 Sep 202619:16
–osv
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-77399: Uncontrolled Resource Consumption
22 Sep 202600:00
–rapid7
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-77399
24 Sep 202600:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu16.04allpython-icalendar0python-icalendar_0_all.deb
Ubuntu18.04allpython-icalendar0python-icalendar_0_all.deb
Ubuntu20.04allpython-icalendar0python-icalendar_0_all.deb
Ubuntu22.04allpython-icalendar0python-icalendar_0_all.deb
Ubuntu24.04allpython-icalendar0python-icalendar_0_all.deb
Ubuntu26.04allpython-icalendar0python-icalendar_0_all.deb

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24 Sep 2026 00:53Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.16.5
EPSS0.00312
SSVC
5