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OSV-2026-962

Use-of-uninitialized-value in iup_delta_optimize

No scoreFix available

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=526770452

Crash type: Use-of-uninitialized-value
Crash state:
iup_delta_optimize
OT::tuple_delta_t::optimize
OT::TupleVariationData<OT::NumType<true, unsigned short, 2u>>::tuple_variations_

What each source reports

OSV No score

Use-of-uninitialized-value in iup_delta_optimize

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=526770452

Crash type: Use-of-uninitialized-value
Crash state:
iup_delta_optimize
OT::tuple_delta_t::optimize
OT::TupleVariationData<OT::NumType<true, unsigned short, 2u>>::tuple_variations_
Record
OSV-2026-962
Updated
2026-11-02

Affected packages

Affected packages
PackageAffectedFixed
harfbuzz
OSS-Fuzz
Listed versions, plus commit ranges
11.5.011.5.112.0.012.1.012.2.0
Show 15 moreShow less
12.3.012.3.112.3.213.0.013.0.113.1.013.1.113.2.013.2.114.0.014.1.014.2.014.2.114.3.014.3.1
None known

History

History
RecordedChangedSources
first indexedOSV

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

In short

OSV-2026-962 is a vulnerability with no CVSS score yet in harfbuzz, published June 24, 2026. No source lists public exploit code. A source reports a fix.

References

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