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The "pingsender" executable used by the Firefox Health Report dynamically loads a system copy of libcurl, which an attacker could replace. This allows for privilege escalation as the replaced libcurl code will run with Firefox's privileges. Note: This attack requires an attacker have local system access and only affects OS X and Linux. Windows systems are not affected. This vulnerability affects Firefox < 57.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jun 11, 2018 |
| Freebsd | — | Upgrade linux-seamonkeyUpgrade linux-thunderbirdUpgrade firefox-esrUpgrade seamonkeyUpgrade thunderbirdUpgrade firefoxUpgrade linux-firefoxUpgrade libxul | Nov 14, 2017 | Nov 14, 2017 |
| Mfsa2017 24 | — | Upgrade to Mozilla Firefox version 57.0Upgrade to the latest version of Mozilla Firefox | Nov 15, 2017 | Nov 14, 2017 |
| Suse | — | Upgrade MozillaFirefoxUpgrade MozillaFirefox-translations-otherUpgrade MozillaFirefox-translations-common | May 19, 2018 | Nov 14, 2017 |
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