Description
libdwarf before 20201201 allows a dwarf_print_lines.c NULL pointer dereference and application crash via a DWARF5 line-table header that has an invalid FORM for a pathname.
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 | 20201201-1 | — |
| Debian 13 | dwarfutils | 20201201-1 | — |
| Debian 12 | dwarfutils | 20201201-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | dwarfutils | No fix yet | — |
| Ubuntu 18.04 LTS | dwarfutils | No fix yet | — |
| Ubuntu 16.04 LTS | dwarfutils | No fix yet | — |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | libdwarf | 0.9.0-1 | — |
| Azure Linux 2 (CBL-Mariner) | libdwarf | 0.9.0 | — |
Advisories 1
- WID-SEC-2024-1248 Xerox FreeFlow Print Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 21, 2024