CVE-2025-45663

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-45663
An issue in NetSurf v3.11 causes the application to read uninitialized heap memory when creating a dom_event structure.

6.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References
Link Resource
https://github.com/Fysac/netsurf-disclosure/tree/main/CVE-2025-45663 Exploit Third Party Advisory
https://www.netsurf-browser.org/ Product
Configurations

Configuration 1 (hide)

cpe:2.3:a:netsurf-browser:netsurf:3.11:*:*:*:*:*:*:*
History

05 Nov 2025, 18:19

Type Values Removed Values Added
First Time Netsurf-browser netsurf
Netsurf-browser
CPE cpe:2.3:a:netsurf-browser:netsurf:3.11:*:*:*:*:*:*:*
References () https://github.com/Fysac/netsurf-disclosure/tree/main/CVE-2025-45663 - () https://github.com/Fysac/netsurf-disclosure/tree/main/CVE-2025-45663 - Exploit, Third Party Advisory
References () https://www.netsurf-browser.org/ - () https://www.netsurf-browser.org/ - Product

04 Nov 2025, 17:16

Type Values Removed Values Added
References
  • {'url': 'http://netsurf.com', 'source': 'cve@mitre.org'}
  • () https://www.netsurf-browser.org/ -

03 Nov 2025, 21:19

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 6.5
CWE CWE-244

03 Nov 2025, 15:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-11-03 15:15

Updated : 2025-11-05 18:19

NVD link : CVE-2025-45663

Mitre link : CVE-2025-45663

CVE.ORG link : CVE-2025-45663

JSON object : View

Products Affected

netsurf-browser

  • netsurf
CWE
CWE-244

Improper Clearing of Heap Memory Before Release ('Heap Inspection')