| Name | CVE-2016-9558 |
| 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." |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 845408 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| dwarfutils (PTS) | jessie | 20120410-2+deb8u1 | vulnerable |
| stretch | 20161124-1+deb9u1 | fixed |
| buster | 20180809-1 | fixed |
| bullseye | 20201201-1 | fixed |
| sid, trixie, bookworm | 20210528-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| dwarfutils | source | (unstable) | 20161124-1 | | | 845408 |
Notes
[jessie] - dwarfutils <no-dsa> (Minor issue)
[wheezy] - dwarfutils <no-dsa> (Minor issue)
https://blogs.gentoo.org/ago/2016/11/19/libdwarf-negation-overflow-in-dwarf_leb-c
Fixed by: https://sourceforge.net/p/libdwarf/code/ci/4f19e1050cd8e9ddf2cb6caa061ff2fec4c9b5f9/#diff-5