CVE-2026-47307

HIGH
7.5
CVSS Score
Published: May 19, 2026 at 02:51 AM UTC
Updated: July 24, 2026 at 12:23 PM UTC
1 product affected across 1 vendorWalrus

Using Walrus by Samsung Open Source?

Get instant alerts when new vulnerabilities affect Walrus - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

2026-4-27f339b8ee4ea701772e8ae640b3d1b12ac02b1ae9

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Issue TrackingPatch
Source: cverecord
https://github.com/Samsung/walrus/pull/409

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-476

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card