CVE-2017-14939 EXPLOIT
5.5
MEDIUM · CVSS 3.0 · EPSS 5.9% (pctl 93)
Patch early
A public exploit exists.
Description
decode_line_info in dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, mishandles a length calculation, which allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted ELF file, related to read_1_byte.
Scoring
| CVSS | 5.5 (MEDIUM, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| EPSS | 5.94% — more likely to be exploited than 93% of all CVEs |
| Weakness | CWE-125 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2017-09-30 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| gnu | binutils |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | binutils 2.29.51.20170921 - 'read_1_byte' Heap Buffer Overflow | 2017-10-10 |
References
- http://www.securityfocus.com/bid/101216
- https://blogs.gentoo.org/ago/2017/09/26/binutils-heap-based-buffer-overflow-in-read_1_byte-dwarf2-c/
- https://sourceware.org/bugzilla/show_bug.cgi?id=22169
- https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=515f23e63c0074ab531bc954f84ca40c6281a724
- https://www.exploit-db.com/exploits/42970/
- http://www.securityfocus.com/bid/101216
- https://blogs.gentoo.org/ago/2017/09/26/binutils-heap-based-buffer-overflow-in-read_1_byte-dwarf2-c/
- https://sourceware.org/bugzilla/show_bug.cgi?id=22169
- https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=515f23e63c0074ab531bc954f84ca40c6281a724
- https://www.exploit-db.com/exploits/42970/
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