CVE-2026-8784: Npitre Cramfs-Tools

Medium severity, CVSS 4.2. EPSS: 0.2% chance of exploitation in the next 30 days.

A vulnerability was detected in npitre cramfs-tools up to 2.2. Affected is the function change_file_status of the file cramfsck.c. Performing a manipulation results in symlink following. The attack requires a local approach. The exploit is now public and may be used. The patch is named b4a3a695c9873f824907bd15659f2a6ac7667b4f. It is recommended to apply a patch to fix this issue.

Affected products

• Npitre Cramfs-Tools: version 2.0 only; version 2.1 only; version 2.2 only

Published 2026-05-18. Last modified 2026-06-17.