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VULNERABILITIES

CVE-2026-35547 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:8.1 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://security.freebsd.org/advisories/FreeBSD-SA-26:17.libnv.asc [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-122Heap-based Buffer Overflow[email protected]
CWE-130Improper Handling of Length Parameter Inconsistency[email protected]

Affected Products

ProductVersions
freebsd freebsd
13.5 -
13.5 beta3
13.5 p1
13.5 p10
13.5 p11

CPE

  • cpe:2.3:o:freebsd:freebsd:13.5:-:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:13.5:beta3:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:13.5:p1:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:13.5:p10:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:13.5:p11:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:13.5:p12:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:13.5:p2:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:13.5:p3:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:13.5:p4:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:13.5:p5:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:13.5:p6:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:13.5:p7:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:13.5:p8:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:13.5:p9:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.3:-:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.3:p1:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.3:p10:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.3:p11:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.3:p2:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.3:p3:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.3:p4:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.3:p5:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.3:p6:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.3:p7:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.3:p8:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.3:p9:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.4:-:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.4:p1:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.4:p2:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:14.4:rc1:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:15.0:-:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:15.0:p1:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:15.0:p2:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:15.0:p3:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:15.0:p4:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:15.0:p5:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:15.0:p6:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-35547
NVD Published Date:
Apr 30, 2026
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2026-35547 Details - Not Deferred