The importScripts function in the Web Workers API implementation in Mozilla Firefox before 43.0 allows remote attackers to bypass the Same Origin Policy by triggering use of the no-cors mode in the fetch API to attempt resource access that throws an exception, leading to information disclosure after a rethrow.
CVSS Details
- CVSS 3.1 Base Score: 5.3
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade linux-seamonkeyUpgrade libxulUpgrade thunderbirdUpgrade firefoxUpgrade seamonkeyUpgrade linux-firefoxUpgrade linux-thunderbirdUpgrade firefox-esr | Dec 10, 2025 | Dec 15, 2015 |
| Gentoo Linux | — | Upgrade mail-client/thunderbird.Upgrade www-client/firefox.Upgrade www-client/firefox-bin.Upgrade mail-client/thunderbird-bin. | Oct 30, 2017 | Dec 16, 2015 |
| Mfsa2015 140 | — | Upgrade to Mozilla Firefox version 43.0Upgrade to the latest version of Mozilla Firefox | Dec 18, 2015 | Dec 16, 2015 |
| Suse | — | Upgrade MozillaFirefoxUpgrade MozillaFirefox-translations-otherUpgrade MozillaFirefox-translations-commonUpgrade MozillaFirefox-devel | Jan 4, 2016 | Dec 16, 2015 |
| Ubuntu | — | Upgrade firefox | Dec 18, 2015 | Dec 15, 2015 |
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