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
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 145.0.7632.159 - Upgrade
Upgrade
alpine/chromiumto a version that resolves this vulnerability.Fixed in 144.0.7559.132-r4 - Upgrade
Upgrade
alpine/qt6-qtwebengineto a version that resolves this vulnerability.Fixed in 6.10.1-r9 - Upgrade
Upgrade
alpine/qt6-qtwebengineto a version that resolves this vulnerability.Fixed in 6.10.2-r6 - Upgrade
Upgrade
debian/chromiumto a version that resolves this vulnerability.Fixed in 150.0.7871.100-1~deb12u1Fixed in 156.0.8078.79-1~deb12u1Fixed in 150.0.7871.181-1~deb13u1Fixed in 156.0.8078.79-1~deb13u1Fixed in 156.0.8078.79-1 - Upgrade
Upgrade
Google Chrometo a version that resolves this vulnerability.Fixed in 145.0.7632.159
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.