She also said, "Adobe has an ongoing cooperation with Google," and added that her company "greatly appreciates the assistance of the Google Chrome team."

Google has been packaging Flash with Chrome since April 2010, and remains the only maker to bundle the plug-in with its own releases.

Tuesday's Flash update was the first since Adobe pushed out a pair of two months ago. Adobe has patched Flash seven times so far this year.

In the APSB11-21 security bulletin, Adobe tersely listed the 13 vulnerabilities, describing five as "memory corruption" bugs, another five as "buffer overflows" and three as "integer overflows."

All are considered critical, Adobe said, adding that it is not aware of active exploits for any of the bugs.