OSV-2025-845

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Import Source
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libical/OSV-2025-845.yaml
JSON Data
https://api.osv.dev/v1/vulns/OSV-2025-845
Published
2025-10-19T00:19:40Z
Modified
2025-10-19T00:19:40Z
Summary
Global-buffer-overflow in icaltime_day_of_year
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=452914686

Crash type: Global-buffer-overflow READ 4
Crash state:
icaltime_day_of_year
expand_year_days
__iterator_set_start
References

Affected packages

OSS-Fuzz / libical

Package

Name
libical
Purl
pkg:generic/libical

Affected ranges

Type
GIT
Repo
https://github.com/libical/libical.git
Events
Introduced
a5977add5b862817f9f136fef6b1c6001c6710de
Fixed
ac90fe970a051ed580f1d97854e73d250e5d92ee

Ecosystem specific 

{
    "severity": null
}

Database specific

fixed_range 
"bc05c9e130364e4026d0bcc4a431b125c4be543b:ac90fe970a051ed580f1d97854e73d250e5d92ee"
introduced_range 
"e3360bc71d7cd6358732252bf9361b30984dd376:0790346e493c30a21a11c070ec87df0dd6654783"
source 
"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libical/OSV-2025-845.yaml"