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Use-after-free vulnerability in the gfxTextRun::CanBreakLineBefore function in Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7, and SeaMonkey before 2.12 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Centos_linux | — | Upgrade xulrunnerUpgrade thunderbirdUpgrade xulrunner-develUpgrade firefox | Dec 1, 2016 | Aug 29, 2012 |
| Freebsd | — | Upgrade seamonkeyUpgrade linux-seamonkeyUpgrade thunderbirdUpgrade firefoxUpgrade linux-thunderbirdUpgrade linux-firefoxUpgrade libxul | Dec 10, 2025 | Aug 30, 2012 |
| Gentoo Linux | — | Upgrade mail-client/thunderbird.Upgrade mail-client/mozilla-thunderbird-bin.Upgrade www-client/seamonkey-bin.Upgrade net-libs/xulrunner.Upgrade net-libs/xulrunner-bin.Upgrade www-client/icecat.Upgrade www-client/firefox.Upgrade www-client/seamonkey.Upgrade www-client/firefox-bin.Upgrade mail-client/thunderbird-bin.Upgrade www-client/mozilla-firefox.Upgrade www-client/mozilla-firefox-bin.Upgrade dev-libs/nss.Upgrade mail-client/mozilla-thunderbird. | Oct 30, 2017 | Aug 29, 2012 |
| Mfsa2012 58 | — | Upgrade to Mozilla Firefox ESR version 10.0.7Upgrade to Mozilla Firefox version 15.0Upgrade to the latest version of Mozilla Firefox | Aug 30, 2012 | Aug 29, 2012 |
| Mozilla Seamonkey | — | Upgrade to the latest version of Mozilla SeaMonkeyUpgrade to Mozilla SeaMonkey version 2.12 | Aug 30, 2012 | Aug 29, 2012 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird ESR version 10.0.7Upgrade to Mozilla Thunderbird version 15.0 | Aug 30, 2012 | Aug 29, 2012 |
| Oracle Solaris | — | Upgrade mail/thunderbird/plugin/thunderbird-lightning to version 10.0.7-0.175.1.2.0.3.2 on Solaris 11.1Upgrade web/browser/firefox/multi-user-desktop to version 10.0.7-0.175.1.2.0.3.2 on Solaris 11.1Upgrade web/browser/firefox to version 10.0.7-0.175.1.2.0.3.2 on Solaris 11.1Upgrade web/data/firefox-bookmarks to version 10.0.7-0.175.1.2.0.3.2 on Solaris 11.1Upgrade mail/thunderbird to version 10.0.7-0.175.1.2.0.3.2 on Solaris 11.1 | May 29, 2017 | Aug 29, 2012 |
| Oracle_linux | — | Upgrade thunderbirdUpgrade firefoxUpgrade xulrunnerUpgrade xulrunner-devel | Oct 16, 2024 | Aug 29, 2012 |
| Suse | — | Upgrade MozillaThunderbird-translations-commonUpgrade mozilla-nsprUpgrade MozillaFirefox-branding-SLEDUpgrade mozilla-nspr-x86Upgrade mozilla-nssUpgrade mozilla-nss-32bitUpgrade libfreebl3-32bitUpgrade libfreebl3Upgrade MozillaFirefoxUpgrade MozillaFirefox-translationsUpgrade mozilla-nss-develUpgrade mozilla-nspr-develUpgrade mozilla-nss-toolsUpgrade libfreebl3-x86Upgrade MozillaThunderbird-develUpgrade mozilla-nspr-32bitUpgrade MozillaThunderbirdUpgrade MozillaFirefox-translations-otherUpgrade mozilla-nss-x86Upgrade MozillaFirefox-develUpgrade MozillaFirefox-translations-commonUpgrade MozillaThunderbird-translations-other | Feb 17, 2015 | Jun 28, 2013 |
| Ubuntu | — | Upgrade thunderbirdUpgrade firefox | Nov 8, 2024 | Aug 29, 2012 |
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