VDB
ALPINE-CVE-2021-46828
ALPINE-CVE-2021-46828
PUBLISHED
CVSS 7.5 HIGH
In libtirpc before 1.3.3rc1, remote attackers could exhaust the file descriptors of a process that uses libtirpc because idle TCP connections are mishandled. This can, in turn, lead to an svc_run infinite loop without accepting new connections.
Risk Scores
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.13 | libtirpc | 0.2.5-r3, 0.3.0-r0, 0.3.0-r1 |
| Alpine:v3.19 | libtirpc | 0.2.1-r3, 0.2.1-r0, 0.2.1-r1 |
| Alpine:v3.20 | libtirpc | 1.3.2-r1, 1.3.2-r0, 1.3.1-r0 |
| Alpine:v3.23 | libtirpc | 1.2.5-r3, 1.3.2-r0, 1.3.1-r0 |
| Alpine:v3.18 | libtirpc | 0.2.5-r3, 1.0.3-r0, 0.3.2-r1 |
| Alpine:v3.16 | libtirpc | 0.2.1-r1, 0.2.1-r2, 0.2.1-r3 |
| Alpine:v3.17 | libtirpc | 1.0.3-r0, 0.2.1-r1, 0.2.1-r2 |
| Alpine:v3.14 | libtirpc | 1.3.2-r0, 1.3.1-r0, 1.2.6-r0 |
| Alpine:v3.15 | libtirpc | 1.3.2-r0, 1.3.1-r0, 1.2.6-r0 |
| Alpine:v3.21 | libtirpc | 1.2.6-r0, 1.3.2-r1, 1.3.2-r0 |
| Alpine:v3.22 | libtirpc | 0.2.1-r0, 1.0.1-r0, 1.0.1-r1 |
Timeline
- Jul 20, 2022 CVE Published
- Dec 3, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch