Description
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.
References (1)
Core 1
Core References
Third Party Advisory x_refsource_misc
https://www.prevanders.net/dwarfbug.html
Scores
CVSS v3
9.8
EPSS
0.0040
EPSS Percentile
61.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-125
Status
published
Products (1)
libdwarf_project/libdwarf
2017-03-21
Published
May 18, 2017
Tracked Since
Feb 18, 2026