CVE catalog
CVE-2021-22918
libuv1: CVE-2021-22918
- Severity
- Medium · CVSS 5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 23.13% · Oct 25, 2026
Node.js before 16.4.1, 14.17.2, 12.22.2 is vulnerable to an out-of-bounds read when uv__idna_toascii() is used to convert strings to ASCII. The pointer p is read and increased without checking whether it is beyond pe, with the latter holding a pointer to the end of the buffer. This can lead to information disclosures or crashes. This function can be triggered via uv_getaddrinfo().
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 | libuv1 | sid | 1.53.0-1 | fixed |
| Debian | libuv1 | forky | 1.53.0-1 | fixed |
| Debian | libuv1 | trixie | 1.50.0-2 | fixed |
| Debian | libuv1 | bookworm | 1.44.2-1+deb12u1 | fixed |
| Debian | libuv1 | bookworm-security | 1.44.2-1+deb12u1 | fixed |
| Bitnami | node | Not reported | 12.22.2 | fixed |
| Bitnami | node | Not reported | 14.17.2 | fixed |
| Bitnami | node | Not reported | 16.4.1 | fixed |
| Bitnami | node-min | Not reported | 12.22.2 | fixed |
| Bitnami | node-min | Not reported | 14.17.2 | fixed |
| Bitnami | node-min | Not reported | 16.4.1 | fixed |
| Alpine | nodejs | 3.11 | 12.22.2-r0 | fixed |
| Alpine | nodejs | 3.12 | 12.22.2-r0 | fixed |
| Alpine | nodejs | 3.13 | 14.17.3-r0 | fixed |
| Alpine | nodejs | 3.14 | 14.17.3-r0 | fixed |
| Ubuntu | libuv1 | 20.04 | 1.30.1-1 | vulnerable |
| Ubuntu | libuv1 | 20.04 | 1.33.1-2 | vulnerable |
| Ubuntu | libuv1 | 20.04 | 1.33.1-2ubuntu2 | vulnerable |
| Ubuntu | libuv1 | 20.04 | 1.33.1-3ubuntu1 | vulnerable |
| Ubuntu | libuv1 | 20.04 | 1.34.2-1ubuntu1 | vulnerable |
| Ubuntu | libuv1 | 20.04 | 1.34.2-1ubuntu1.1 | vulnerable |
| Ubuntu | libuv1 | 20.04 | 1.34.2-1ubuntu1.3 | fixed |
| Ubuntu | libuv1 | 20.04 | 1.30.1-1 | vulnerable |
| Ubuntu | libuv1 | 20.04 | 1.33.1-2 | vulnerable |
| Ubuntu | libuv1 | 20.04 | 1.33.1-2ubuntu2 | vulnerable |
| Ubuntu | libuv1 | 20.04 | 1.33.1-3ubuntu1 | vulnerable |
| Ubuntu | libuv1 | 20.04 | 1.34.2-1ubuntu1 | vulnerable |
| Ubuntu | libuv1 | 20.04 | 1.34.2-1ubuntu1.1 | vulnerable |
| Ubuntu | libuv1 | 20.04 | 1.34.2-1ubuntu1.3 | fixed |
| Opensuse | libuv | tumbleweed | 1.42.0-1.2 | fixed |
| Opensuse | nodejs16 | tumbleweed | 16.6.2-2.2 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libuv1 | source | sid | 1.40.0-2 | not yet assigned | Not reported | [990561] |
| Debian | libuv1 | source | forky | 1.40.0-2 | not yet assigned | Not reported | [990561] |
| Debian | libuv1 | source | trixie | 1.40.0-2 | not yet assigned | Not reported | [990561] |
| Debian | libuv1 | source | bookworm | 1.40.0-2 | not yet assigned | Not reported | [990561] |
| Bitnami | node | Bitnami | Not reported | 12.22.2 | Not reported | BIT-NODE-2021-22918 | Not reported |
| Bitnami | node | Bitnami | Not reported | 14.17.2 | Not reported | BIT-NODE-2021-22918 | Not reported |
| Bitnami | node | Bitnami | Not reported | 16.4.1 | Not reported | BIT-NODE-2021-22918 | Not reported |
| Bitnami | node-min | Bitnami | Not reported | 12.22.2 | Not reported | BIT-NODE-MIN-2021-22918 | Not reported |
| Bitnami | node-min | Bitnami | Not reported | 14.17.2 | Not reported | BIT-NODE-MIN-2021-22918 | Not reported |
| Bitnami | node-min | Bitnami | Not reported | 16.4.1 | Not reported | BIT-NODE-MIN-2021-22918 | Not reported |
| Alpine | nodejs | apk | 3.11 | 12.22.2-r0 | Not reported | ALPINE-CVE-2021-22918 | Not reported |
| Alpine | nodejs | apk | 3.12 | 12.22.2-r0 | Not reported | ALPINE-CVE-2021-22918 | Not reported |
| Alpine | nodejs | apk | 3.13 | 14.17.3-r0 | Not reported | ALPINE-CVE-2021-22918 | Not reported |
| Alpine | nodejs | apk | 3.14 | 14.17.3-r0 | Not reported | ALPINE-CVE-2021-22918 | Not reported |
| Ubuntu | libuv1 | deb | 20.04 | 1.34.2-1ubuntu1.3 | Not reported | UBUNTU-CVE-2021-22918 | Not reported |
| Ubuntu | libuv1 | deb | 20.04 | 1.34.2-1ubuntu1.3 | Not reported | USN-5007-1 | Not reported |
| Opensuse | libuv | rpm | tumbleweed | 1.42.0-1.2 | Not reported | OPENSUSE-SU-2024:11007-1 | Not reported |
| Opensuse | nodejs16 | rpm | tumbleweed | 16.6.2-2.2 | Not reported | OPENSUSE-SU-2024:11097-1 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [libuv1]Unknown
Details (4)
1.44.2-1+deb12u1· amd64 · bookwormFixed · Fixed:
1.40.0-2dsa · libuv1 · debian · bookworm; dsa · libuv1 · debian · 12
1.44.2-1+deb12u1· arm64 · bookwormFixed · Fixed:
1.40.0-2dsa · libuv1 · debian · bookworm; dsa · libuv1 · debian · 12
1.44.2-1+deb12u1· amd64 · bookworm-securityFixed · Fixed:
1.40.0-2dsa · libuv1 · debian · bookworm; dsa · libuv1 · debian · 12
1.44.2-1+deb12u1· arm64 · bookworm-securityFixed · Fixed:
1.40.0-2dsa · libuv1 · debian · bookworm; dsa · libuv1 · debian · 12
- [libuv1-dev]Unknown
Source package: [libuv1]
Details (4)
1.44.2-1+deb12u1· amd64 · bookwormFixed · Fixed:
1.40.0-2dsa · libuv1 · debian · bookworm; dsa · libuv1 · debian · 12
1.44.2-1+deb12u1· arm64 · bookwormFixed · Fixed:
1.40.0-2dsa · libuv1 · debian · bookworm; dsa · libuv1 · debian · 12
1.44.2-1+deb12u1· amd64 · bookworm-securityFixed · Fixed:
1.40.0-2dsa · libuv1 · debian · bookworm; dsa · libuv1 · debian · 12
1.44.2-1+deb12u1· arm64 · bookworm-securityFixed · Fixed:
1.40.0-2dsa · libuv1 · debian · bookworm; dsa · libuv1 · debian · 12
[Debian 13 (Trixie)]
- [libuv1-dev]Unknown
Source package: [libuv1]
Details (2)
1.50.0-2· amd64 · trixieFixed · Fixed:
1.40.0-2dsa · libuv1 · debian · 13
1.50.0-2· arm64 · trixieFixed · Fixed:
1.40.0-2dsa · libuv1 · debian · 13
- [libuv1-doc]Unknown
Source package: [libuv1]
Details (2)
1.50.0-2· all · trixieFixed · Fixed:
1.40.0-2dsa · libuv1 · debian · 13
1.50.0-2· all · trixieFixed · Fixed:
1.40.0-2dsa · libuv1 · debian · 13
- [libuv1t64]Unknown
Source package: [libuv1]
Details (2)
1.50.0-2· amd64 · trixieFixed · Fixed:
1.40.0-2dsa · libuv1 · debian · 13
1.50.0-2· arm64 · trixieFixed · Fixed:
1.40.0-2dsa · libuv1 · debian · 13
[openSUSE Tumbleweed]
- [libuv1]Unknown
Source package: [libuv]
Details (1)
1.52.0-1.4· x86_64 · tumbleweedUnknown · Fixed:
1.42.0-1.2Version impact unknown
dsa · libuv · opensuse · tumbleweed
- [libuv1-32bit]Unknown
Source package: [libuv]
Details (1)
1.52.0-1.4· x86_64 · tumbleweedUnknown · Fixed:
1.42.0-1.2Version impact unknown
dsa · libuv · opensuse · tumbleweed
- [libuv-devel]Unknown
Source package: [libuv]
Details (1)
1.52.0-1.4· x86_64 · tumbleweedUnknown · Fixed:
1.42.0-1.2Version impact unknown
dsa · libuv · opensuse · tumbleweed
Observed:
References
- [https://cert-portal.siemens.com/productcert/csaf/ssa-389290.json]
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2021_3073.json]
- [https://osv.dev/vulnerability/ALPINE-CVE-2021-22918]
- [https://osv.dev/vulnerability/BIT-node-min-2021-22918]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2021-22918]
- [https://osv.dev/vulnerability/DSA-4936-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2021-22918]
- [https://osv.dev/vulnerability/USN-5007-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2024:11007-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2024:11097-1]
- [https://security-tracker.debian.org/tracker/CVE-2021-22918]
- [https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-22918.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2022/wid-sec-w-2023-0856.json]
[CERT-Bund public advisories] · [CISA cybersecurity advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]