Description
The dwarf_read_cie_fde_prefix function in dwarf_frame2.c in libdwarf 20151114 allows attackers to cause a denial of service (out-of-bounds read) via a crafted ELF object file.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | dwarfutils | 20160507-1 | — |
| Debian 13 | dwarfutils | 20160507-1 | — |
| Debian 12 | dwarfutils | 20160507-1 | — |
| Debian 7 | dwarfutils | 20120410-2+deb7u2 | DLA-669-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | dwarfutils | 20120410-2+deb7u2build0.16.04.1 | — |
| Ubuntu 14.04 LTS | dwarfutils | 20120410-2+deb7u2build0.14.04.1 | — |
Advisories 1
- DLA-669-1 dwarfutils - security update Debian Security (DSA / DLA) · Mar 9, 2026