Heap Buffer Overflow in Chrome Codecs Before 149.0.7827.115 (Linux/ChromeOS)
CVE-2026-12019 Published on June 11, 2026
Heap buffer overflow in Codecs in Google Chrome on Linux and ChromeOS prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
Vulnerability Analysis
CVE-2026-12019 can be exploited with network access, requires user interaction. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a Memory Corruption Vulnerability?
The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.
CVE-2026-12019 has been classified to as a Memory Corruption vulnerability or weakness.
Products Associated with CVE-2026-12019
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Affected Versions
Google Chrome:- Version 149.0.7827.115 and below 149.0.7827.115 is affected.