Google this week released Chrome 99 to the stable channel with a total of 28 security fixes inside, including 21 for vulnerabilities reported by external researchers.
Nine of the externally reported security holes are rated high severity, the majority of which are use-after-free bugs affecting components such as Cast UI, Omnibox, Views, WebShare, and Media.
Google says it has paid out a total of $33,000 in bug bounties for these five vulnerabilities, including $7,000 for each of the first four issues and $5,000 for the fifth.
A higher bug bounty reward – of $10,000 – was handed out for a heap-buffer overflow issue in ANGLE (CVE-2022-0789).
At $15,000, the highest bug bounty was awarded for a medium-severity use-after-free vulnerability in MediaStream. Google also handed out a $10,000 reward for a medium-severity policy enforcement bug in Installer.
Other vulnerability types addressed with this browser update include several inappropriate implementation flaws, an out-of-bounds read issue, a type confusion bug, a data leak vulnerability, and an out-of-bounds memory access flaw.
Google notes in its advisory that so far it has paid over $103,000 in bug bounty rewards to the reporting external researchers, but has yet to determine the bounty amounts to be handed out for several bugs.
The Internet giant makes no mention of any of these vulnerabilities being exploited in attacks.
The latest Chrome release is now rolling out to Windows, Mac and Linux users as version 99.0.4844.51.
Related: Google Discovers Attack Exploiting Chrome Zero-Day Vulnerability
Related: Google Patches 27 Vulnerabilities With Release of Chrome 98
Related: Google Pays Out Over $100,000 for Vulnerabilities Patched With Chrome 97 Update
Related: Chrome 97 Patches 37 Vulnerabilities
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