PT-2025-37931 · Mozilla+1 · Thunderbird+2

Hafiizh + 1 · CVE-2025-10530 · Published 2025-09-16 · Updated 2026-07-25

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 143 Thunderbird versions prior to 143

Description The software contains a flaw.

Recommendations Update Firefox to version 143 or later. Update Thunderbird to version 143 or later.

Fix

Authentication Bypass by Spoofing

Weakness Enumeration

CWE-290

Related Identifiers

ALT-PU-2025-12559

ALT-PU-2025-12562

BDU:2025-11377

CVE-2025-10530

OPENSUSE-SU-2025:15565-1

OPENSUSE-SU-2026:11373-1

Affected Products

Alt Linux

Firefox

Thunderbird

References · 249

• https://mozilla.org/security/advisories/mfsa2025-73 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2025:15565-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:11373-1 · Vendor Advisory
• https://mozilla.org/security/advisories/mfsa2025-77 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-11377 · Security Note
• https://osv.dev/vulnerability/CVE-2025-10530 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-10530 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-10530 · Security Note
• https://mozilla.org/en-US/security/advisories/mfsa2025-73/#CVE-2025-10530 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-10530 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-10530 · Security Note
• https://suse.com/security/cve/CVE-2025-5271 · Note
• https://suse.com/security/cve/CVE-2025-11716 · Note
• https://suse.com/security/cve/CVE-2025-0246 · Note
• https://suse.com/security/cve/CVE-2025-14332 · Note