CVE-2026-17866
Description
A type confusion flaw was found in the Tab component of the Chromium browser.
Upstream bug(s):
https://code.google.com/p/chromium/issues/detail?id=520525732
Statement
Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.
Understanding the Weakness (CWE)
Availability,Integrity,Confidentiality
Technical Impact: Read Memory; Modify Memory; Execute Unauthorized Code or Commands; DoS: Crash, Exit, or Restart
When a memory buffer is accessed using the wrong type, it could read or write memory out of the bounds of the buffer, if the allocated buffer is smaller than the type that the code is attempting to access, leading to a crash and possibly code execution.
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