CVE-2025-10533

HIGH
MEDIUM Priority: 0.07 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 Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

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

Description

Integer overflow in the SVG component. This vulnerability was fixed in Firefox 143, Firefox ESR 115.28, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.

Weakness Classification (1)

Affected Software (3)

VendorProductVersion
mozilla firefox < 115.28.0
mozilla firefox < 143.0
mozilla thunderbird < 140.3.0

Bug Bounty Relevance

68 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

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

EPSS — Exploitation Probability

0.78%
Raw Score 0.007810
Percentile 55.9%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00781
2026-10-28
0.00781

Intelligence Sources

nvd ref →