Description
A double-free vulnerability was found in libdwarf. In a multiply-corrupted DWARF object, libdwarf may try to dealloc(free) an allocation twice, potentially causing unpredictable and various results.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | libdwarf | 0.1.0 | 0.9.2 |
| Red Hat | Red Hat Enterprise Linux 7 | — | — |
| Red Hat | Red Hat Enterprise Linux 8 | — | — |
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 | 1:0.11.1-1 | — |
| Debian 13 | dwarfutils | 1:0.11.1-1 | — |
| Debian 12 | dwarfutils | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | dwarfutils | No fix yet | — |
| Ubuntu 22.04 LTS | dwarfutils | No fix yet | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | libdwarf +3 | 1:0.5.0-1.amzn2023.0.3 | ALAS2023-2024-579 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | libdwarf | 0.9.2-1 | — |
| Azure Linux 2 (CBL-Mariner) | libdwarf | 0.9.0-3 | — |
Advisories 1
- ALAS2023-2024-579 Moderate: libdwarf security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Oct 24, 2024