CVE-2016-9558
9.8
CRITICAL · CVSS 3.1 · EPSS 5% (pctl 92)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
(1) libdwarf/dwarf_leb.c and (2) dwarfdump/print_frames.c in libdwarf before 20161124 allow remote attackers to have unspecified impact via a crafted bit pattern in a signed leb number, aka a "negation overflow."
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 4.97% — more likely to be exploited than 92% of all CVEs |
| Weakness | CWE-190 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2017-02-28 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| libdwarf project | libdwarf |
References
- http://www.openwall.com/lists/oss-security/2016/11/19/6
- http://www.openwall.com/lists/oss-security/2016/11/23/3
- http://www.securityfocus.com/bid/94491
- https://blogs.gentoo.org/ago/2016/11/19/libdwarf-negation-overflow-in-dwarf_leb-c/
- https://sourceforge.net/p/libdwarf/code/ci/4f19e1050cd8e9ddf2cb6caa061ff2fec4c9b5f9/#diff-5
- https://www.prevanders.net/dwarfbug.html
- http://www.openwall.com/lists/oss-security/2016/11/19/6
- http://www.openwall.com/lists/oss-security/2016/11/23/3
- http://www.securityfocus.com/bid/94491
- https://blogs.gentoo.org/ago/2016/11/19/libdwarf-negation-overflow-in-dwarf_leb-c/
- https://sourceforge.net/p/libdwarf/code/ci/4f19e1050cd8e9ddf2cb6caa061ff2fec4c9b5f9/#diff-5
- https://www.prevanders.net/dwarfbug.html
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