Hi,

The following vulnerability was published for fuse-overlayfs.

CVE-2026-52791[0]:
| fuse-overlayfs is an implementation of overlayfs in FUSE for
| rootless containers. Prior to 1.17, the release-1.x C branch
| preserves SUID and SGID mode bits in main.c during open(O_TRUNC) and
| truncate handling on a copied-up file, allowing a low-privileged
| process to leave the upper-layer file with mode 4777. This issue is
| fixed in version 1.17.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2026-52791
https://www.cve.org/CVERecord?id=CVE-2026-52791
[1] https://github.com/containers/fuse-overlayfs/security/advisories/GHSA-2cc4-p72c-v85h
[2] https://github.com/containers/fuse-overlayfs/commit/97e0d968a782fc259ebde112db1e9b9ff1ad724f

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore