CVE-2016-9558

(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."

CVSS v3.1 NVD

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

CVSS v2.0 NVD

7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

4.97% chance of exploitation in the next 30 days, 92nd percentile

Published

2017-02-28

Updated

2024-08-06

Proof-of-concept exploits (1)

• https://blogs.gentoo.org/ago/2016/11/19/libdwarf-negation-overflow-in-dwarf_leb-c/

Security advisories

• 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…
• https://www.prevanders.net/dwarfbug.html

References

• CVE Record
• NVD entry