So far this year, Google has paid more than $230,000 to outside researchers for submitting Chrome vulnerabilities. More than half of that -- $120,000 -- was laid out in March at "Pwnium," a Google-sponsored hacking challenge.
Tuesday's update was the 13th this year that patched one or more vulnerabilities.
According to the latest figures from metric company Net Applications, Chrome has a usage share of about 19%. Irish measurement firm StatCounter, on the other hand, pegged Chrome's share for April at 31%.
Gregg Keizer covers Microsoft, security issues, Apple, Web browsers and general technology breaking news for Computerworld. Follow Gregg on Twitter at @gkeizer, on Google+ or subscribe to Gregg's RSS feed. His email address is firstname.lastname@example.org.
Read more about browsers in Computerworld's Browsers Topic Center.