CVE-2025-10528

CVE Details

Release Date:	2025-09-16
Impact:	Important	What is this?

Description

This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.

See more information about CVE-2025-10528 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	7.5
Vector String:	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Version:	3.1
Attack Vector:	Network
Attack Complexity:	High
Privileges Required:	None
User Interaction:	Required
Scope:	Unchanged
Confidentiality Impact:	High
Integrity Impact:	High
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 10 (firefox)	ELSA-2025-16109	2025-09-18
Oracle Linux version 10 (thunderbird)	ELSA-2025-16157	2025-09-18
Oracle Linux version 8 (firefox)	ELSA-2025-16260	2025-09-23
Oracle Linux version 8 (thunderbird)	ELSA-2025-16589	2025-09-25
Oracle Linux version 9 (firefox)	ELSA-2025-16108	2025-09-18
Oracle Linux version 9 (thunderbird)	ELSA-2025-16156	2025-09-18