The PropertyProvider::GetSpacingInternal function in Mozilla Firefox before 49.0 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via text runs in conjunction with a "display: contents" Cascading Style Sheets (CSS) property.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Sep 22, 2016 |
| Freebsd | — | Upgrade linux-thunderbirdUpgrade firefoxUpgrade libxulUpgrade linux-seamonkeyUpgrade seamonkeyUpgrade linux-firefoxUpgrade firefox-esrUpgrade thunderbird | Nov 14, 2016 | Sep 20, 2016 |
| Gentoo Linux | — | Upgrade www-client/firefox-bin.Upgrade mail-client/thunderbird-bin.Upgrade mail-client/thunderbird.Upgrade www-client/firefox. | Oct 30, 2017 | Sep 22, 2016 |
| Mfsa2016 85 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 49.0 | Oct 25, 2016 | Sep 22, 2016 |
| Suse | — | Upgrade MozillaFirefox-develUpgrade MozillaFirefox-translations-commonUpgrade MozillaFirefox-translations-otherUpgrade MozillaFirefox | Sep 26, 2016 | Sep 22, 2016 |
| Ubuntu | — | Upgrade firefox | Sep 22, 2016 | Sep 22, 2016 |
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