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A use-after-free vulnerability can occur when the thread for a Web Worker is freed from memory prematurely instead of from memory in the main thread while cancelling fetch operations. This vulnerability affects Firefox < 58.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade waterfoxUpgrade firefox-esrUpgrade linux-thunderbirdUpgrade linux-firefoxUpgrade firefoxUpgrade libxulUpgrade thunderbirdUpgrade linux-seamonkeyUpgrade seamonkey | Dec 10, 2025 | Jan 23, 2018 |
| Mfsa2018 02 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 58.0 | Jan 24, 2018 | Jan 23, 2018 |
| Suse | — | Upgrade MozillaFirefox-translations-otherUpgrade MozillaFirefoxUpgrade MozillaFirefox-translations-common | May 20, 2018 | Jan 24, 2018 |
| Ubuntu | — | Upgrade firefox | Apr 26, 2018 | Jan 24, 2018 |
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