PT-2025-35799 · Google+3 · Google Chrome+3

Ndevtk · Published 2024-11-16 · Updated 2025-11-11 · CVE-2025-9866

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 140.0.7339.80

Description An inappropriate implementation in Extensions in Google Chrome allows a remote attacker to bypass the content security policy via a crafted HTML page.

Recommendations Update Google Chrome to version 140.0.7339.80 or later.

Fix

Protection Mechanism Failure

Weakness Enumeration

CWE-693

Related Identifiers

ALT-PU-2025-11532

BDU:2025-11126

CVE-2025-9866

DSA-5993-1

OPENSUSE-SU-2025:15524-1

Affected Products

Alt Linux

Debian

Google Chrome

Red Os

References · 29

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-9866 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-9866 · Security Note
• https://wiki.astralinux.ru/astra-linux-se16-bulletin-20251225SE16 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-11126 · Security Note
• https://osv.dev/vulnerability/CVE-2025-9866 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-9866 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2025:15524-1 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se18-bulletin-2025-1113SE18 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2025-1216SE362 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2025-1202SE17 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-5993-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2025-9866 · Vendor Advisory
• https://suse.com/security/cve/CVE-2025-9867 · Note
• https://suse.com/security/cve/CVE-2025-9864 · Note
• https://redos.red-soft.ru/support/secure/uyazvimosti/support/secure/uyazvimosti/mnozhestvennye-uyazvimosti-chromium-11112025 · Note