Heap-based Buffer Over-read in libdwarf 2017-03-21

Heap-based Buffer Over-read in libdwarf 2017-03-21

CVE-2017-9054 · CRITICAL Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

An issue, also known as DW201703-002, was discovered in libdwarf 2017-03-21. In _dwarf_decode_s_leb128_chk() a byte pointer was dereferenced just before it was checked for being in bounds, leading to a heap-based buffer over-read.

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