OSV-2023-27
Heap-buffer-overflow in OT::Layout::GPOS_impl::PairSet<OT::Layout::MediumTypes>::apply
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=55287
Crash type: Heap-buffer-overflow READ 1
Crash state:
OT::Layout::GPOS_impl::PairSet<OT::Layout::MediumTypes>::apply
OT::Layout::GPOS_impl::PairPosFormat1_3<OT::Layout::MediumTypes>::apply
bool OT::hb_accelerate_subtables_context_t::apply_to<OT::Layout::GPOS_impl::Pair
What each source reports
OSV No score
Heap-buffer-overflow in OT::Layout::GPOS_impl::PairSet<OT::Layout::MediumTypes>::apply
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=55287
Crash type: Heap-buffer-overflow READ 1
Crash state:
OT::Layout::GPOS_impl::PairSet<OT::Layout::MediumTypes>::apply
OT::Layout::GPOS_impl::PairPosFormat1_3<OT::Layout::MediumTypes>::apply
bool OT::hb_accelerate_subtables_context_t::apply_to<OT::Layout::GPOS_impl::Pair
- Record
OSV-2023-27- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
harfbuzzOSS-Fuzz |
Listed versions, plus commit ranges 6.0.0 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
OSV-2023-27 is a vulnerability with no CVSS score yet in harfbuzz, published January 23, 2023. No source lists public exploit code. A source reports a fix.