Description
When processing the header of an incoming message, libnv failed to properly validate the message size.
The lack of validation allows a malicious program to write outside the bounds of a heap allocation. This can trigger a crash or system panic, and it may be possible for an unprivileged user to exploit the bug to elevate their privileges.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| FreeBSD | FreeBSD | 15.0-RELEASE – < p7, 14.4-RELEASE – < p3, 14.3-RELEASE – < p12, 13.5-RELEASE – < p13 | p7 |
Advisories 1
- WID-SEC-2026-1324 FreeBSD Project FreeBSD OS: Mehrere Schwachstellen BSI CERT-Bund (WID) · May 3, 2026