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.
Weakness
The product calls free() twice on the same memory address.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Libdwarf | Libdwarf_project | 0.1.0 (including) | 0.9.2 (excluding) |
| Dwarfutils | Ubuntu | esm-apps/jammy | * |
| Dwarfutils | Ubuntu | esm-apps/noble | * |
| Dwarfutils | Ubuntu | focal | * |
| Dwarfutils | Ubuntu | jammy | * |
| Dwarfutils | Ubuntu | mantic | * |
| Dwarfutils | Ubuntu | noble | * |
| Dwarfutils | Ubuntu | oracular | * |
| Dwarfutils | Ubuntu | plucky | * |
| Dwarfutils | Ubuntu | upstream | * |
Potential Mitigations
References
- https://access.redhat.com/security/cve/CVE-2024-2002
- https://bugzilla.redhat.com/show_bug.cgi?id=2267700
- https://github.com/davea42/libdwarf-code/blob/main/bugxml/data.txt
- https://access.redhat.com/security/cve/CVE-2024-2002
- https://bugzilla.redhat.com/show_bug.cgi?id=2267700
- https://github.com/davea42/libdwarf-code/blob/main/bugxml/data.txt
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZGPVLSPIXR32J6FOAFTTIMYTUUXJICGW/