A use-after-free vulnerability can occur when manipulating floating "first-letter" style elements, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 58.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade thunderbirdUpgrade linux-seamonkeyUpgrade seamonkeyUpgrade libxulUpgrade firefoxUpgrade linux-thunderbirdUpgrade linux-firefoxUpgrade waterfoxUpgrade firefox-esr | Dec 10, 2025 | Jan 23, 2018 |
| Mfsa2018 02 | — | Upgrade to Mozilla Firefox version 58.0 | Jan 24, 2018 | Jan 23, 2018 |
| Suse | — | Upgrade mozillafirefoxUpgrade mozillafirefox-translations-otherUpgrade mozillafirefox-translations-common | May 20, 2018 | Jan 24, 2018 |
| Ubuntu | — | Upgrade firefox | Apr 26, 2018 | Jan 24, 2018 |
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