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cpe:2.3:a:collective:icalendar:*:*:*:*:*:*:*:*part: a version: * update: *
| Vendor | Collective (2ce2fe80-2e29-57b2-babd-71ad2bb55a1d) |
|---|---|
| Product | Icalendar (4642a353-e045-51c1-be94-b1cc7a56b634) |
| Edition | * |
| Language | * |
| Software edition | * |
| Target software | * |
| Target hardware | * |
| Other | * |
Notes
Imported from gcve-enriched-dumps CVE data
PURL mappings
| PURL | Source | Last updated |
|---|---|---|
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Vulnerability references
| Identifier | cpeApplicability | Submitted | db.gcve.eu details | Rationale |
|---|---|---|---|---|
CVE:CVE-2026-77399 |
vulnerable | 2026-10-13 12:28:29.670106 |
icalendar: Denial of service via unbounded VALARM REPEAT expansion
MEDIUM (6.5)
icalendar is an RFC 5545 compatible parser and generator of iCalendar files for Python. From 6.1.0 until 7.2.2, vInt.from_ical accepts an attacker-controlled VALARM REPEAT value and applications that request alarm times can eagerly expand it without an application-level limit. Alarms.times and Alarms.active reach the unbounded expansion in versions starting with 6.1.0, while Alarm.triggers adds a second affected path starting with 7.0.0. Parsing alone does not trigger the issue, but accessing these properties can consume excessive CPU time and heap memory and terminate or stall a service. This issue is fixed in version 7.2.2.
Published: 2026-09-22T18:58:56.647Z
Updated: 2026-09-23T14:36:47.671Z Reference links
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Imported from gcve-enriched-dumps CVE data |
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