Buffer overflow in Freebsd
CVE-2026-35547
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…
Vulnerability class: Buffer Overflow
EPSS: 0.000 (10.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Freebsd — versions 14.3, 13.5, 15.0
Weakness classification (CWE)
References
- secteam@freebsd.org (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-35547?
- CVE-2026-35547 is a high-severity vulnerability in Freebsd, classified under Heap-based Buffer Overflow. CVSS score: 8.1/10. Published 2026-04-30.
- How severe is CVE-2026-35547?
- High severity. CVSS v3 base score is 8.1 out of 10.