Description
A TOCTOU issue in the chownr package before 1.1.0 for Node.js 10.10 could allow a local attacker to trick it into descending into unintended directories via symlink attacks.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | node-chownr | 1.1.1-1 | — |
| Debian 13 | node-chownr | 1.1.1-1 | — |
| Debian 12 | node-chownr | 1.1.1-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | node-chownr | No fix yet | — |
| Ubuntu 26.04 LTS | node-chownr | No fix yet | — |
| Ubuntu 25.10 | node-chownr | No fix yet | — |
| Ubuntu 24.04 LTS | node-chownr | No fix yet | — |
| Ubuntu 22.04 LTS | node-chownr | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | node-chownr | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 3 | rh-nodejs8-nodejs +2 | 8.17.0-2.el7 | RHSA-2020:2625 |
| RHEL 3 | rh-nodejs8-npm | 6.13.4-8.17.0.2.el7 | RHSA-2020:2625 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| npm | chownr | < 1.1.0 | 1.1.0 | GHSA-c6rq-rjc2-86v2 |
Advisories 2
- WID-SEC-2026-2183 Red Hat Software Collections: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jul 2, 2026
- RHSA-2020:2625 Red Hat Security Advisory: rh-nodejs8-nodejs security update Red Hat Security Advisories (RHSA) · Jun 28, 2026