CVE-2026-47307: CWE-476 NULL pointer dereference in Samsung Open Source Walrus
CVE-2026-47307 is a NULL pointer dereference vulnerability in Samsung Open Source Walrus. It allows an attacker to cause a denial of service by using a crafted WebAssembly module with deeply nested instructions. The vulnerability affects a specific Walrus version identified by commit f339b8ee4ea701772e8ae640b3d1b12ac02b1ae9. The CVSS score is 5. 5, indicating medium severity. There is no known exploit in the wild and no official patch or remediation guidance has been provided yet.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-47307) in Samsung Open Source Walrus involves a NULL pointer dereference triggered by processing a specially crafted WebAssembly module containing deeply nested instructions. The flaw can cause the affected software to crash, resulting in a denial of service condition. The affected version is identified by the commit hash f339b8ee4ea701772e8ae640b3d1b12ac02b1ae9. The CVSS v3.1 base score is 5.5, reflecting a medium severity impact primarily due to denial of service without confidentiality or integrity impact. No patch or official remediation level has been disclosed by the vendor as of the publication date.
Potential Impact
Successful exploitation causes denial of service by crashing the Walrus component when processing malicious WebAssembly modules. There is no impact on confidentiality or integrity. No known exploits are reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, avoid processing untrusted or suspicious WebAssembly modules with the affected Walrus version to reduce risk.
CVE-2026-47307: CWE-476 NULL pointer dereference in Samsung Open Source Walrus
Description
CVE-2026-47307 is a NULL pointer dereference vulnerability in Samsung Open Source Walrus. It allows an attacker to cause a denial of service by using a crafted WebAssembly module with deeply nested instructions. The vulnerability affects a specific Walrus version identified by commit f339b8ee4ea701772e8ae640b3d1b12ac02b1ae9. The CVSS score is 5. 5, indicating medium severity. There is no known exploit in the wild and no official patch or remediation guidance has been provided yet.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-47307) in Samsung Open Source Walrus involves a NULL pointer dereference triggered by processing a specially crafted WebAssembly module containing deeply nested instructions. The flaw can cause the affected software to crash, resulting in a denial of service condition. The affected version is identified by the commit hash f339b8ee4ea701772e8ae640b3d1b12ac02b1ae9. The CVSS v3.1 base score is 5.5, reflecting a medium severity impact primarily due to denial of service without confidentiality or integrity impact. No patch or official remediation level has been disclosed by the vendor as of the publication date.
Potential Impact
Successful exploitation causes denial of service by crashing the Walrus component when processing malicious WebAssembly modules. There is no impact on confidentiality or integrity. No known exploits are reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, avoid processing untrusted or suspicious WebAssembly modules with the affected Walrus version to reduce risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- samsung.tv_appliance
- Date Reserved
- 2026-05-19T02:40:40.159Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a0bdac7ec166c07b04037c5
Added to database: 5/19/2026, 3:36:39 AM
Last enriched: 5/19/2026, 3:51:46 AM
Last updated: 5/19/2026, 4:37:17 AM
Views: 4
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