Dashboard / CVE-2025-10537

CVE-2025-10537

HIGH
MEDIUM Priority: 0.03 BB Relevance: 68/100
Published: 2025-09-16 Modified: 2026-10-23 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth Conf. Impact Integ. Impact

CVSS Vector Breakdown

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

Description

Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. 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 < 143.0

References & Advisories (7)

Bug Bounty Relevance

68 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity

CVSS Score

8.8 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.34%
Raw Score 0.003390
Percentile 27.3%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00339
2026-10-28
0.00339

Intelligence Sources

nvd ref →

External Links