OSV-2022-111

Heap-use-after-free in OT::CoverageFormat1::intersected_coverage_glyphs

No scoreFix available

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=44257

Crash type: Heap-use-after-free READ 4
Crash state:
OT::CoverageFormat1::intersected_coverage_glyphs
OT::ChainContextFormat3::closure
OT::hb_closure_context_t::return_t OT::SubstLookupSubTable::dispatch<OT::hb_clos

What each source reports

OSV No score

Heap-use-after-free in OT::CoverageFormat1::intersected_coverage_glyphs

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=44257

Crash type: Heap-use-after-free READ 4
Crash state:
OT::CoverageFormat1::intersected_coverage_glyphs
OT::ChainContextFormat3::closure
OT::hb_closure_context_t::return_t OT::SubstLookupSubTable::dispatch<OT::hb_clos

Record: OSV-2022-111
Updated: 2026-11-02

Affected packages

Affected packages
Package	Affected	Fixed
`harfbuzz` OSS-Fuzz	Listed versions, plus commit ranges 3.3.0	None known

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	OSV

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

In short

OSV-2022-111 is a vulnerability with no CVSS score yet in harfbuzz, published February 2, 2022. No source lists public exploit code. A source reports a fix.

References

bugs.chromium.org/p/oss-fuzz/issues/detail?id=44257