CVE catalog
CVE-2021-29922
rustc: CVE-2021-29922
- Severity
- High · CVSS 7.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 2.62% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | rustc | sid | 1.97.1+dfsg1-1 | fixed |
| Debian | rustc | forky | 1.97.1+dfsg1-1 | fixed |
| Debian | rustc | trixie | 1.85.1+dfsg1-1+deb13u1 | fixed |
| Debian | rustc | bookworm | 1.63.0+dfsg1-2 | fixed |
| Alpine | rust | 3.19 | 1.52.1-r1 | fixed |
| Alpine | rust | 3.20 | 1.52.1-r1 | fixed |
| Alpine | rust | 3.21 | 1.52.1-r1 | fixed |
| Alpine | rust | 3.22 | 1.52.1-r1 | fixed |
| Alpine | rust | 3.23 | 1.52.1-r1 | fixed |
| Alpine | rust | 3.24 | 1.52.1-r1 | fixed |
| Ubuntu | rustc | pro | 1.7.0+dfsg1-1 | vulnerable |
| Ubuntu | rustc | pro | 1.15.1+dfsg0-1~exp1ubuntu2~16.04.3 | vulnerable |
| Ubuntu | rustc | pro | 1.17.0+dfsg2-8~ubuntu0.16.04.2 | vulnerable |
| Ubuntu | rustc | pro | 1.21.0+dfsg1+llvm-0ubuntu3~16.04.1 | vulnerable |
| Ubuntu | rustc | pro | 1.22.1+dfsg1+llvm-0ubuntu2~16.04.2 | vulnerable |
| Ubuntu | rustc | pro | 1.24.1+dfsg1+llvm-0ubuntu1~16.04.1 | vulnerable |
| Ubuntu | rustc | pro | 1.25.0+dfsg1+llvm-0ubuntu1~16.04.1 | vulnerable |
| Ubuntu | rustc | pro | 1.28.0+dfsg1+llvm-0ubuntu1~16.04.1 | vulnerable |
| Ubuntu | rustc | pro | 1.30.0+dfsg1+llvm-2ubuntu1~16.04.1 | vulnerable |
| Ubuntu | rustc | pro | 1.31.0+dfsg1+llvm-2ubuntu1~16.04.1 | vulnerable |
| Ubuntu | rustc | pro | 1.32.0+dfsg1+llvm-1ubuntu1~16.04.1 | vulnerable |
| Ubuntu | rustc | pro | 1.34.1+dfsg2+llvm-0ubuntu1~16.04.1 | vulnerable |
| Ubuntu | rustc | pro | 1.35.0+dfsg0.1+llvm-0ubuntu1~16.04.1 | vulnerable |
| Ubuntu | rustc | pro | 1.36.0+dfsg1+llvm-2ubuntu1~16.04.1 | vulnerable |
| Ubuntu | rustc | pro | 1.37.0+dfsg1+llvm-1ubuntu1~16.04.1 | vulnerable |
| Ubuntu | rustc | pro | 1.39.0+dfsg1+llvm-3ubuntu1~16.04.1 | vulnerable |
| Ubuntu | rustc | pro | 1.41.0+dfsg1+llvm-0ubuntu1~16.04.1 | vulnerable |
| Ubuntu | rustc | pro | 1.43.0+dfsg1+llvm-1~exp1ubuntu2~16.04.1 | vulnerable |
| Ubuntu | rustc | pro | 1.47.0+dfsg1+llvm-1ubuntu1~16.04.1 | vulnerable |
| Ubuntu | rustc | pro | 1.47.0+dfsg1+llvm-1ubuntu1~16.04.1ubuntu2 | vulnerable |
| Ubuntu | rustc | 20.04 | 1.37.0+dfsg1+llvm-1ubuntu1 | vulnerable |
| Ubuntu | rustc | 20.04 | 1.38.0+dfsg0.2+llvm-0ubuntu1 | vulnerable |
| Ubuntu | rustc | 20.04 | 1.38.0+dfsg0.2+llvm-0ubuntu2 | vulnerable |
| Ubuntu | rustc | 20.04 | 1.39.0+dfsg1+llvm-3ubuntu1 | vulnerable |
| Ubuntu | rustc | 20.04 | 1.40.0+dfsg1+llvm-5ubuntu1 | vulnerable |
| Ubuntu | rustc | 20.04 | 1.41.0+dfsg1+llvm-0ubuntu1 | vulnerable |
| Ubuntu | rustc | 20.04 | 1.41.0+dfsg1+llvm-0ubuntu2 | vulnerable |
| Ubuntu | rustc | 20.04 | 1.43.0+dfsg1+llvm-1~exp1ubuntu1~20.04.1 | vulnerable |
| Ubuntu | rustc | 20.04 | 1.47.0+dfsg1+llvm-1ubuntu1~20.04.1 | vulnerable |
| Ubuntu | rustc | 20.04 | 1.51.0+dfsg1+llvm-1~exp3ubuntu1~20.04.2 | vulnerable |
| Ubuntu | rustc | 20.04 | 1.53.0+dfsg1+llvm-4ubuntu1~20.04.1 | fixed |
| Ubuntu | rustc | 22.04 | 1.51.0+dfsg1+llvm-1~exp3ubuntu1 | vulnerable |
| Ubuntu | rustc | 22.04 | 1.53.0+dfsg1+llvm-4ubuntu1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | rustc | source | sid | 1.53.0+dfsg1-1 | not yet assigned | Not reported | Not reported |
| Debian | rustc | source | forky | 1.53.0+dfsg1-1 | not yet assigned | Not reported | Not reported |
| Debian | rustc | source | trixie | 1.53.0+dfsg1-1 | not yet assigned | Not reported | Not reported |
| Debian | rustc | source | bookworm | 1.53.0+dfsg1-1 | not yet assigned | Not reported | Not reported |
| Alpine | rust | apk | 3.19 | 1.52.1-r1 | Not reported | ALPINE-CVE-2021-29922 | Not reported |
| Alpine | rust | apk | 3.20 | 1.52.1-r1 | Not reported | ALPINE-CVE-2021-29922 | Not reported |
| Alpine | rust | apk | 3.21 | 1.52.1-r1 | Not reported | ALPINE-CVE-2021-29922 | Not reported |
| Alpine | rust | apk | 3.22 | 1.52.1-r1 | Not reported | ALPINE-CVE-2021-29922 | Not reported |
| Alpine | rust | apk | 3.23 | 1.52.1-r1 | Not reported | ALPINE-CVE-2021-29922 | Not reported |
| Alpine | rust | apk | 3.24 | 1.52.1-r1 | Not reported | ALPINE-CVE-2021-29922 | Not reported |
| Ubuntu | rustc | deb | 20.04 | 1.53.0+dfsg1+llvm-4ubuntu1~20.04.1 | Not reported | UBUNTU-CVE-2021-29922 | Not reported |
| Ubuntu | rustc | deb | 22.04 | 1.53.0+dfsg1+llvm-4ubuntu1 | Not reported | UBUNTU-CVE-2021-29922 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libstd-rust-1.63]Fixed
Source package: [rustc]
Details (2)
1.63.0+dfsg1-2· amd64 · bookwormFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · bookworm; dsa · rustc · debian · 12
1.63.0+dfsg1-2· arm64 · bookwormFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · bookworm; dsa · rustc · debian · 12
- [libstd-rust-dev]Fixed
Source package: [rustc]
Details (2)
1.63.0+dfsg1-2· amd64 · bookwormFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · bookworm; dsa · rustc · debian · 12
1.63.0+dfsg1-2· arm64 · bookwormFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · bookworm; dsa · rustc · debian · 12
- [libstd-rust-dev-wasm32]Fixed
Source package: [rustc]
Details (2)
1.63.0+dfsg1-2· all · bookwormFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · bookworm; dsa · rustc · debian · 12
1.63.0+dfsg1-2· all · bookwormFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · bookworm; dsa · rustc · debian · 12
- [libstd-rust-dev-windows]Fixed
Source package: [rustc]
Details (1)
1.63.0+dfsg1-2· amd64 · bookwormFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · bookworm; dsa · rustc · debian · 12
- [rust-all]Fixed
Source package: [rustc]
Details (2)
1.63.0+dfsg1-2· all · bookwormFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · bookworm; dsa · rustc · debian · 12
1.63.0+dfsg1-2· all · bookwormFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · bookworm; dsa · rustc · debian · 12
- [rustc]Fixed
Details (2)
1.63.0+dfsg1-2· amd64 · bookwormFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · bookworm; dsa · rustc · debian · 12
1.63.0+dfsg1-2· arm64 · bookwormFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · bookworm; dsa · rustc · debian · 12
- [rust-clippy]Fixed
Source package: [rustc]
Details (2)
1.63.0+dfsg1-2· amd64 · bookwormFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · bookworm; dsa · rustc · debian · 12
1.63.0+dfsg1-2· arm64 · bookwormFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · bookworm; dsa · rustc · debian · 12
- [rust-doc]Fixed
Source package: [rustc]
Details (2)
1.63.0+dfsg1-2· all · bookwormFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · bookworm; dsa · rustc · debian · 12
1.63.0+dfsg1-2· all · bookwormFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · bookworm; dsa · rustc · debian · 12
- [rustfmt]Fixed
Source package: [rustc]
Details (2)
1.63.0+dfsg1-2· amd64 · bookwormFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · bookworm; dsa · rustc · debian · 12
1.63.0+dfsg1-2· arm64 · bookwormFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · bookworm; dsa · rustc · debian · 12
- [rust-gdb]Fixed
Source package: [rustc]
Details (2)
1.63.0+dfsg1-2· all · bookwormFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · bookworm; dsa · rustc · debian · 12
1.63.0+dfsg1-2· all · bookwormFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · bookworm; dsa · rustc · debian · 12
- [rust-lldb]Fixed
Source package: [rustc]
Details (2)
1.63.0+dfsg1-2· all · bookwormFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · bookworm; dsa · rustc · debian · 12
1.63.0+dfsg1-2· all · bookwormFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · bookworm; dsa · rustc · debian · 12
- [rust-src]Fixed
Source package: [rustc]
Details (2)
1.63.0+dfsg1-2· all · bookwormFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · bookworm; dsa · rustc · debian · 12
1.63.0+dfsg1-2· all · bookwormFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · bookworm; dsa · rustc · debian · 12
[Debian 13 (Trixie)]
- [cargo]Fixed
Source package: [rustc]
Details (4)
1.85.0+dfsg3-1· amd64 · trixieFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
1.85.0+dfsg3-1· arm64 · trixieFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
1.94.1+dfsg1-1~bpo13+3· amd64 · trixie-backportsFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
1.94.1+dfsg1-1~bpo13+3· arm64 · trixie-backportsFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
- [cargo-doc]Fixed
Source package: [rustc]
Details (20)
1.85.0+dfsg3-1· all · trixieFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
1.85.0+dfsg3-1· all · trixieFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
1.86.0+dfsg1-1~bpo13+2· all · trixie-backportsFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
1.86.0+dfsg1-1~bpo13+2· all · trixie-backportsFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
1.87.0+dfsg1-1~bpo13+2· all · trixie-backportsFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
1.87.0+dfsg1-1~bpo13+2· all · trixie-backportsFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
1.88.0+dfsg1-2~bpo13+1· all · trixie-backportsFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
1.88.0+dfsg1-2~bpo13+1· all · trixie-backportsFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
1.89.0+dfsg1-1~bpo13+2· all · trixie-backportsFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
1.89.0+dfsg1-1~bpo13+2· all · trixie-backportsFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
1.90.0+dfsg1-1~bpo13+2· all · trixie-backportsFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
1.90.0+dfsg1-1~bpo13+2· all · trixie-backportsFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
1.91.1+dfsg1-1~bpo13+2· all · trixie-backportsFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
1.91.1+dfsg1-1~bpo13+2· all · trixie-backportsFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
1.92.0+dfsg1-2~bpo13+1· all · trixie-backportsFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
1.92.0+dfsg1-2~bpo13+1· all · trixie-backportsFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
1.93.1+dfsg1-2~bpo13+1· all · trixie-backportsFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
1.93.1+dfsg1-2~bpo13+1· all · trixie-backportsFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
1.94.1+dfsg1-1~bpo13+3· all · trixie-backportsFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
1.94.1+dfsg1-1~bpo13+3· all · trixie-backportsFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
- [libstd-rust-1.85]Fixed
Source package: [rustc]
Details (2)
1.85.0+dfsg3-1· amd64 · trixieFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
1.85.0+dfsg3-1· arm64 · trixieFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
- [libstd-rust-1.86]Fixed
Source package: [rustc]
Details (2)
1.86.0+dfsg1-1~bpo13+2· amd64 · trixie-backportsFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
1.86.0+dfsg1-1~bpo13+2· arm64 · trixie-backportsFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
- [libstd-rust-1.87]Fixed
Source package: [rustc]
Details (2)
1.87.0+dfsg1-1~bpo13+2· amd64 · trixie-backportsFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
1.87.0+dfsg1-1~bpo13+2· arm64 · trixie-backportsFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
- [libstd-rust-1.88]Fixed
Source package: [rustc]
Details (2)
1.88.0+dfsg1-2~bpo13+1· amd64 · trixie-backportsFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
1.88.0+dfsg1-2~bpo13+1· arm64 · trixie-backportsFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
- [libstd-rust-1.89]Fixed
Source package: [rustc]
Details (2)
1.89.0+dfsg1-1~bpo13+2· amd64 · trixie-backportsFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
1.89.0+dfsg1-1~bpo13+2· arm64 · trixie-backportsFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
- [libstd-rust-1.90]Fixed
Source package: [rustc]
Details (2)
1.90.0+dfsg1-1~bpo13+2· amd64 · trixie-backportsFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
1.90.0+dfsg1-1~bpo13+2· arm64 · trixie-backportsFixed · Fixed:
1.53.0+dfsg1-1dsa · rustc · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2021_4270.json]
- [https://osv.dev/vulnerability/ALPINE-CVE-2021-29922]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2021-29922]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2021-29922]
- [https://security-tracker.debian.org/tracker/CVE-2021-29922]
- [https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-29922.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-0571.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]