Dashboard / CVE-2025-10527

CVE-2025-10527

HIGH
MEDIUM Priority: 0.02 BB Relevance: 64/100
Published: 2025-09-16 Modified: 2026-10-23 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth Scope Change

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: Required
S: Changed
C: Low
I: Low
A: Low

Description

Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.

Weakness Classification (1)

Affected Software (4)

VendorProductVersion
mozilla firefox < 140.3.0
mozilla firefox < 143.0
mozilla thunderbird < 140.3.0
mozilla thunderbird 141.0 – 143.0

References & Advisories (7)

Bug Bounty Relevance

64 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity

CVSS Score

7.1 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

EPSS — Exploitation Probability

0.29%
Raw Score 0.002900
Percentile 21.6%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00290
2026-10-28
0.00290

Intelligence Sources

nvd ref →

External Links