OSV-2026-54
Heap-use-after-free in _dwarf_exec_frame_instr
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=475563464
Crash type: Heap-use-after-free READ 8
Crash state:
_dwarf_exec_frame_instr
_dwarf_get_fde_info_for_a_pc_row
dwarf_get_fde_info_for_all_regs3_b
What each source reports
OSV No score
Heap-use-after-free in _dwarf_exec_frame_instr
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=475563464
Crash type: Heap-use-after-free READ 8
Crash state:
_dwarf_exec_frame_instr
_dwarf_get_fde_info_for_a_pc_row
dwarf_get_fde_info_for_all_regs3_b
- Record
OSV-2026-54- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libdwarfOSS-Fuzz |
Listed versions, plus commit ranges libdwarf-2.3.0v2.3.0 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
OSV-2026-54 is a vulnerability with no CVSS score yet in libdwarf, published January 15, 2026. No source lists public exploit code. A source reports a fix.