Base Score

HIGH8.6

CVE-2025-11152

Sandbox escape due to integer overflow in the Graphics: Canvas2D component. This vulnerability affects Firefox < 143.0.3.

VectorNETWORK

Published Bysecurity@mozilla.org

Published DateSep 30, 2025, 13:15

Weakness Type (CWE):CWE-190

CVSS Metrics

Base Score

8.6

Vector String

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

Base Severity

HIGH

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)

HIGH

Availability (A)

LOW

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1987246
https://www.mozilla.org/security/advisories/mfsa2025-80/

Base Score

HIGH8.6

Weakness Type (CWE):CWE-190

CVSS Metrics

Base Score

8.6

Vector String

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

Base Severity

HIGH

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)

HIGH

Availability (A)

LOW