VDB
ALPINE-CVE-2020-12049
ALPINE-CVE-2020-12049
PUBLISHED
CVSS 5.5 MEDIUM
An issue was discovered in dbus >= 1.3.0 before 1.12.18. The DBusServer in libdbus, as used in dbus-daemon, leaks file descriptors when a message exceeds the per-message file descriptor limit. A local attacker with access to the D-Bus system bus or another system service's private AF_UNIX socket could use this to make the system service reach its file descriptor limit, denying service to subsequent D-Bus clients.
Risk Scores
CVSS v3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.13 | dbus | 1.10.0-r1, 1.8.16-r1, 0 |
| Alpine:v3.12 | dbus | 1.10.2-r0, 1.8.8-r0, 1.8.6-r0 |
| Alpine:v3.9 | dbus | 0, 1.10.0-r0, 1.10.10-r0 |
| Alpine:v3.18 | dbus | 1.10.0-r0, 1.8.8-r0, 1.8.6-r0 |
| Alpine:v3.17 | dbus | 1.4.1-r0, 1.2.24-r2, 1.2.24-r1 |
| Alpine:v3.10 | dbus | 1.4.16-r2, 1.10.8-r0, 1.10.6-r0 |
| Alpine:v3.23 | dbus | 1.4.16-r0, 1.2.12-r0, 1.8.14-r0 |
| Alpine:v3.15 | dbus | 1.6.10-r0, 1.10.0-r1, 1.10.6-r0 |
| Alpine:v3.16 | dbus | 1.10.6-r0, 1.10.0-r0, 1.10.12-r0 |
| Alpine:v3.19 | dbus | 1.4.6-r0, 1.4.8-r1, 1.6.10-r0 |
| Alpine:v3.21 | dbus | 1.8.6-r0, 1.8.8-r0, 1.10.0-r0 |
| Alpine:v3.22 | dbus | 1.10.0-r0, 0, 1.8.8-r0 |
| Alpine:v3.11 | dbus | 1.10.0-r1, 1.8.8-r0, 1.8.6-r0 |
| Alpine:v3.20 | dbus | 1.4.14-r1, 1.4.12-r0, 1.4.1-r1 |
| Alpine:v3.14 | dbus | 0, 1.10.0-r0, 1.8.8-r0 |
Timeline
- Jun 8, 2020 CVE Published
- Dec 3, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch