VDB
ALPINE-CVE-2021-29922
ALPINE-CVE-2021-29922
PUBLISHED
CVSS 9.100000381469727 CRITICAL
library/std/src/net/parser.rs in Rust before 1.53.0 does not properly consider extraneous zero characters at the beginning of an IP address string, which (in some situations) allows attackers to bypass access control that is based on IP addresses, because of unexpected octal interpretation.
Risk Scores
CVSS v3.1
9.100000381469727
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.22 | rust | 1.52.1-r0, 0, 1.10.0-r0 |
| Alpine:v3.23 | rust | 1.52.1-r0, 1.52.0-r0, 1.51.0-r2 |
| Alpine:v3.20 | rust | 1.24.0-r0, 1.10.0-r1, 1.16.0-r1 |
| Alpine:v3.19 | rust | 1.16.0-r1, 0, 1.10.0-r0 |
| Alpine:v3.21 | rust | 1.52.1-r0, 1.52.0-r0, 1.51.0-r2 |
Timeline
- Aug 7, 2021 CVE Published
- Dec 3, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch