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OSV-2020-1834

Stack-buffer-overflow in onigenc_unicode_get_case_fold_codes_by_str

No scoreFix available

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25893

Crash type: Stack-buffer-overflow WRITE 4
Crash state:
onigenc_unicode_get_case_fold_codes_by_str
utf16be_get_case_fold_codes_by_str
unravel_case_fold_string

What each source reports

OSV No score

Stack-buffer-overflow in onigenc_unicode_get_case_fold_codes_by_str

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25893

Crash type: Stack-buffer-overflow WRITE 4
Crash state:
onigenc_unicode_get_case_fold_codes_by_str
utf16be_get_case_fold_codes_by_str
unravel_case_fold_string
Record
OSV-2020-1834
Updated
2026-11-02

Affected packages

Affected packages
PackageAffectedFixed
oniguruma
OSS-Fuzz
Commit ranges
Not evaluated

Not evaluated means the source gave git commits or a range we can't read, so we can't tell which releases are affected. A fixed version beside it is the source’s own claim.

History

History
RecordedChangedSources
first indexedOSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

OSV-2020-1834 is a vulnerability with no CVSS score yet in oniguruma, published September 25, 2020. No source lists public exploit code. A source reports a fix.

References

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