PT-2026-41038 · Google+1 · Google Chrome+1

C6Eed09Fc8B174B0F3Eebedcceb1E792 · CVE-2026-8509 · Published 2026-05-12 · Updated 2026-07-22

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 148.0.7778.168

Description A heap buffer overflow in WebML allows a remote attacker to execute arbitrary code inside a sandbox by using a crafted HTML page. A heap buffer overflow occurs when a program writes more data to a heap-allocated memory block than it can hold, potentially overwriting adjacent memory.

Recommendations Update to version 148.0.7778.168 or later.

Fix

DoS

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

BDU:2026-10782

CVE-2026-8509

ECHO-07C7-5DD1-F648

OPENSUSE-SU-2026:10786-1

Affected Products

Google Chrome

Red Os

References · 95

• https://security-tracker.debian.org/tracker/CVE-2026-8509 · Vendor Advisory
• https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-8509 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-8509 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2026:10786-1 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-8509 · Security Note
• https://bdu.fstec.ru/vul/2026-10782 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-8509 · Vendor Advisory
• https://suse.com/security/cve/CVE-2026-8576 · Note
• https://crbug.com/493310462 · Note
• https://suse.com/security/cve/CVE-2026-8535 · Note
• https://suse.com/security/cve/CVE-2026-8567 · Note
• https://suse.com/security/cve/CVE-2026-8543 · Note
• https://github.com/advisories/GHSA-87wp-w4rq-jfvp · Note
• https://redos.red-soft.ru/support/secure/uyazvimosti/support/secure/uyazvimosti/uyazvimost-chromium-cve-2026-8509-7.3 · Note