libical 4.0.6 contains an incompatible function pointer in icalparameter_string_to_kind(). When parsing iCalendar data containing a parameterized property, the function passes icalparameter_compare_kind_map() to bsearch() through an incompatible comparator function pointer type. bsearch() invokes the callback through the mismatched type, resulting in undefined behavior and process termination, leading to denial of service.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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History
Thu, 24 Sep 2026 16:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | libical 4.0.6 contains an incompatible function pointer in icalparameter_string_to_kind(). When parsing iCalendar data containing a parameterized property, the function passes icalparameter_compare_kind_map() to bsearch() through an incompatible comparator function pointer type. bsearch() invokes the callback through the mismatched type, resulting in undefined behavior and process termination, leading to denial of service. | |
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MITRE
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2026-09-24T16:32:24.149Z
Reserved: 2026-09-10T00:00:00.000Z
Link: CVE-2026-88383
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