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OSV-2020-1606

UNKNOWN READ in hb_set_digest_lowest_bits_t<unsigned long, 4u>::may_have

No scoreFix available

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24842

Crash type: UNKNOWN READ
Crash state:
hb_set_digest_lowest_bits_t<unsigned long, 4u>::may_have
hb_set_digest_combiner_t<hb_set_digest_lowest_bits_t<unsigned long, 4u>, hb_set_
OT::hb_ot_layout_lookup_accelerator_t::may_have

What each source reports

OSV No score

UNKNOWN READ in hb_set_digest_lowest_bits_t<unsigned long, 4u>::may_have

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24842

Crash type: UNKNOWN READ
Crash state:
hb_set_digest_lowest_bits_t<unsigned long, 4u>::may_have
hb_set_digest_combiner_t<hb_set_digest_lowest_bits_t<unsigned long, 4u>, hb_set_
OT::hb_ot_layout_lookup_accelerator_t::may_have
Record
OSV-2020-1606
Updated
2026-11-02

Affected packages

Affected packages
PackageAffectedFixed
harfbuzz
OSS-Fuzz
Listed versions, plus commit ranges
2.7.12.7.2
None known

History

History
RecordedChangedSources
first indexedOSV

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

In short

OSV-2020-1606 is a vulnerability with no CVSS score yet in harfbuzz, published August 14, 2020. No source lists public exploit code. A source reports a fix.

References

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