OSV-2018-82
Heap-buffer-overflow in OT::LigatureSubstFormat1::closure
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10081
Crash type: Heap-buffer-overflow READ 8
Crash state:
OT::LigatureSubstFormat1::closure
_hb_void_t const* OT::hb_closure_context_t::dispatch<OT::LigatureSubstFormat1>
OT::hb_closure_context_t::return_t OT::LigatureSubst::dispatch<OT::hb_closure_co
What each source reports
OSV No score
Heap-buffer-overflow in OT::LigatureSubstFormat1::closure
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10081
Crash type: Heap-buffer-overflow READ 8
Crash state:
OT::LigatureSubstFormat1::closure
_hb_void_t const* OT::hb_closure_context_t::dispatch<OT::LigatureSubstFormat1>
OT::hb_closure_context_t::return_t OT::LigatureSubst::dispatch<OT::hb_closure_co
- Record
OSV-2018-82- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
harfbuzzOSS-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
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
OSV-2018-82 is a vulnerability with no CVSS score yet in harfbuzz, published January 13, 2021. No source lists public exploit code. A source reports a fix.