Base Score

MEDIUM6.5

CVE-2025-45663

An issue in NetSurf v3.11 causes the application to read uninitialized heap memory when creating a dom_event structure.

VectorNETWORK

Published Bycve@mitre.org

Published DateNov 03, 2025, 15:15

Weakness Type (CWE):CWE-244

CVSS Metrics

Base Score

6.5

Vector String

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

Base Severity

MEDIUM

Version

3.1

Attack Vector (AV)

NETWORK

Attack Complexity (AC)

LOW

Privileges Required (PR)

NONE

User Interaction (UI)

NONE

Scope (S)

UNCHANGED

Confidentiality (C)

LOW

Integrity (I)

NONE

Availability (A)

LOW

References

https://github.com/Fysac/netsurf-disclosure/tree/main/CVE-2025-45663
https://www.netsurf-browser.org/

Base Score

MEDIUM6.5

Weakness Type (CWE):CWE-244

CVSS Metrics

Base Score

6.5

Vector String

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

Base Severity

MEDIUM

Version

3.1

Attack Vector (AV)

NETWORK

Attack Complexity (AC)

LOW

Privileges Required (PR)

NONE

User Interaction (UI)

NONE

Scope (S)

UNCHANGED

Confidentiality (C)

LOW

Integrity (I)

NONE

Availability (A)

LOW