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CVE-2026-77399

🗓️ 22 Sep 2026 18:58:56Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 17 Views

Unbounded VALARM REPEAT expansion in icalendar 6.1.0-7.2.2 causes DoS via CPU or memory.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-77399
22 Sep 202619:56
–circl
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
mend
Mend
CVE-2026-77399
22 Sep 202618:58
–mend
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
ptsecurity
Positive Technologies
PT-2026-97003
22 Sep 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-77399: Uncontrolled Resource Consumption
22 Sep 202600:00
–rapid7
Rows per page
Vulners
Node
icalendar_projecticalendarRange6.1.0–7.2.2
[
  {
    "vendor": "collective",
    "product": "icalendar",
    "versions": [
      {
        "version": ">= 6.1.0, < 7.2.2",
        "status": "affected"
      }
    ]
  }
]

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23 Sep 2026 18:12Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.16.5
EPSS0.00312
SSVC
17