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Security Alert

Several vulnerabilities in Mozilla Firefox and Thunderbird

publication date : May.15, 2015

Mozilla Foundation published Firefox 38 and Thunderbird 31.7 handling several vulnerabilities on May.12(local time). After that bugs were fixed and Firefox 38.0.1 was publised on May.14(local time).

The support of Firefox(lower than 38.0.1) and Thunderbird(lower than 31.7) is over.


- Firefox (lower than 38.0.1)
- Thunderbird (lower than 31.7 )

This issue will be solved by updating the object to the version provided by the OS vendor or ditribution source. The latest version of automatic updates is yet to be announced as of 8:30 in May.15,2015 in Thunderbird..Please carry out the update as soon as it is announced.

■Relational documents
Mozilla Foundation
Firefox security advisory
Firefox released note:version 38 - May.12,2015 released
Firefox released note:version 38.0.1 - May.14,2015 released

Thunderbird security advisory

Mozilla Releases Security Updates for Firefox, Firefox ESR, and Thunderbird

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