CVE-2026-35368 Affecting uutils package, versions <0.9.0-r0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-CHAINGUARDLATEST-UUTILS-17134273
- published3 Jun 2026
- disclosed22 Apr 2026
Introduced: 22 Apr 2026
CVE-2026-35368 (opens in a new tab)How to fix?
Upgrade Chainguard uutils to version 0.9.0-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream uutils package and not the uutils package as distributed by Chainguard.
See How to fix? for Chainguard relevant fixed versions and status.
A vulnerability exists in the chroot utility of uutils coreutils when using the --userspec option. The utility resolves the user specification via getpwnam() after entering the chroot but before dropping root privileges. On glibc-based systems, this can trigger the Name Service Switch (NSS) to load shared libraries (e.g., libnss_*.so.2) from the new root directory. If the NEWROOT is writable by an attacker, they can inject a malicious NSS module to execute arbitrary code as root, facilitating a full container escape or privilege escalation.