Vulnerability Monitor

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CVE-2026-49417


Second, the audio buffer backing a mapping could be freed when the device was closed even though the mapping remained valid. The freed memory could then be reused elsewhere while still accessible through the stale mapping. The /dev/dsp device nodes are world-accessible by default. On a system with an audio device, either issue allows an unprivileged local user to read and write kernel memory, which can be used to escalate privileges, potentially gaining full control of the affected system. At a minimum, an attacker can crash the kernel, resulting in a Denial of Service (DoS).


Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.0, requiring local system access to exploit but requires specific conditions to be met without requiring user interaction requiring only low-level privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 1 product from freebsd organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2026, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2026-06-27T09:16:24.153

Last Modified

2026-07-01T14:04:31.120

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 7.0 (HIGH)

Weaknesses
  • Type: Secondary
    CWE-416

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System freebsd freebsd 14.3 Yes
Operating System freebsd freebsd 14.3 Yes
Operating System freebsd freebsd 14.3 Yes
Operating System freebsd freebsd 14.3 Yes
Operating System freebsd freebsd 14.3 Yes
Operating System freebsd freebsd 14.3 Yes
Operating System freebsd freebsd 14.3 Yes
Operating System freebsd freebsd 14.3 Yes
Operating System freebsd freebsd 14.3 Yes
Operating System freebsd freebsd 14.3 Yes
Operating System freebsd freebsd 14.3 Yes
Operating System freebsd freebsd 14.3 Yes
Operating System freebsd freebsd 14.3 Yes
Operating System freebsd freebsd 14.3 Yes
Operating System freebsd freebsd 14.3 Yes
Operating System freebsd freebsd 14.4 Yes
Operating System freebsd freebsd 14.4 Yes
Operating System freebsd freebsd 14.4 Yes
Operating System freebsd freebsd 14.4 Yes
Operating System freebsd freebsd 14.4 Yes
Operating System freebsd freebsd 14.4 Yes
Operating System freebsd freebsd 15.0 Yes
Operating System freebsd freebsd 15.0 Yes
Operating System freebsd freebsd 15.0 Yes
Operating System freebsd freebsd 15.0 Yes
Operating System freebsd freebsd 15.0 Yes
Operating System freebsd freebsd 15.0 Yes
Operating System freebsd freebsd 15.0 Yes
Operating System freebsd freebsd 15.0 Yes
Operating System freebsd freebsd 15.0 Yes
Operating System freebsd freebsd 15.0 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For freebsd's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.