CVE-2026-47307 — MEDIUM (5.5)

Vulnerability Description

NULL pointer dereference vulnerability in Samsung Open Source Walrus allows an attacker to cause a denial of service via a crafted WebAssembly module containing deeply nested instructions. This issue affects Walrus: f339b8ee4ea701772e8ae640b3d1b12ac02b1ae9.

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Related Weaknesses (CWE)

CWE-476

References

https://github.com/Samsung/walrus/pull/409

FAQ

What is CVE-2026-47307?

CVE-2026-47307 is a vulnerability with a CVSS score of 5.5 (MEDIUM). NULL pointer dereference vulnerability in Samsung Open Source Walrus allows an attacker to cause a denial of service via a crafted WebAssembly module containing deeply nested instructions. This issue...

How severe is CVE-2026-47307?

CVE-2026-47307 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-47307?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.