CVE-2026-3544: Heap buffer overflow in WebCodecs
Chromium: CVE-2026-3544 Heap buffer overflow in WebCodecs
Other sources
Heap buffer overflow in WebCodecs in Google Chrome prior to 145.0.7632.159 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: High)
— MITRE
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
— Microsoft
Credit
Affected Software
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2026-3544?
CVE-2026-3544 has a security severity rating of High.
How do I fix CVE-2026-3544?
To address CVE-2026-3544, update your Google Chrome browser to version 145.0.7632.159 or later.
What causes the vulnerability in CVE-2026-3544?
CVE-2026-3544 is caused by a heap buffer overflow in WebCodecs allowing out of bounds memory write.
Which versions of Google Chrome are affected by CVE-2026-3544?
Google Chrome versions prior to 145.0.7632.159 are affected by CVE-2026-3544.
Can CVE-2026-3544 be exploited remotely?
Yes, CVE-2026-3544 can be exploited remotely via a crafted HTML page.