The XBL.__proto__.toString implementation in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and 17.x before 17.0.2, Thunderbird before 17.0.2, Thunderbird ESR 10.x before 10.0.12 and 17.x before 17.0.2, and SeaMonkey before 2.15 makes it easier for remote attackers to bypass the ASLR protection mechanism by calling the toString function of an XBL object.
CVSS Details
- CVSS 3.1 Base Score: 9.1
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Centos_linux | — | Upgrade xulrunner-develUpgrade thunderbirdUpgrade xulrunnerUpgrade firefox | Dec 1, 2016 | Jan 13, 2013 |
| Freebsd | — | Upgrade linux-firefoxUpgrade linux-seamonkeyUpgrade libxulUpgrade ca_root_nssUpgrade seamonkeyUpgrade thunderbirdUpgrade linux-thunderbirdUpgrade firefox | Dec 10, 2025 | Jan 9, 2013 |
| Gentoo Linux | — | Upgrade mail-client/thunderbird.Upgrade www-client/seamonkey.Upgrade www-client/firefox.Upgrade mail-client/thunderbird-bin.Upgrade www-client/firefox-bin.Upgrade www-client/seamonkey-bin. | Oct 30, 2017 | Jan 13, 2013 |
| Mfsa2013 11 | — | Upgrade to Mozilla Firefox ESR version 10.0.12Upgrade to Mozilla Firefox version 18.0Upgrade to Mozilla Firefox ESR version 17.0.2Upgrade to the latest version of Mozilla Firefox | Jan 14, 2013 | Jan 13, 2013 |
| Mozilla Seamonkey | — | Upgrade to Mozilla SeaMonkey version 2.15.0 | Jan 10, 2013 | Jan 8, 2013 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 17.0.2Upgrade to Mozilla Thunderbird ESR version 17.0.2Upgrade to Mozilla Thunderbird ESR version 10.0.12 | Jan 10, 2013 | Jan 8, 2013 |
| Oracle_linux | — | Upgrade xulrunnerUpgrade firefoxUpgrade thunderbirdUpgrade xulrunner-devel | Oct 16, 2024 | Jan 13, 2013 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jan 8, 2013 |
| Suse | — | Upgrade mozilla-nss-certsUpgrade xulrunnerUpgrade MozillaFirefox-translations-otherUpgrade mozilla-nss-develUpgrade mozilla-nspr-x86Upgrade mozilla-nss-x86Upgrade MozillaFirefoxUpgrade mozilla-nss-sysinit-debuginfoUpgrade MozillaThunderbird-translations-otherUpgrade mozilla-nss-certs-debuginfoUpgrade MozillaThunderbird-devel-debuginfoUpgrade xulrunner-develUpgrade xulrunner-debuginfo-32bitUpgrade mozilla-nss-debugsourceUpgrade mozilla-nspr-debuginfo-32bitUpgrade seamonkey-ircUpgrade libfreebl3-debuginfoUpgrade mozilla-nss-debuginfo-x86Upgrade mozilla-nss-sysinit-debuginfo-x86Upgrade mozilla-js-debuginfo-32bitUpgrade mozilla-nss-certs-32bitUpgrade enigmailUpgrade seamonkey-translations-commonUpgrade seamonkeyUpgrade mozilla-nss-certs-x86Upgrade xulrunner-debuginfo-x86Upgrade mozilla-nss-sysinit-x86Upgrade mozilla-js-debuginfoUpgrade libsoftokn3-debuginfo-x86Upgrade libsoftokn3Upgrade mozilla-nss-debuginfoUpgrade libfreebl3-32bitUpgrade seamonkey-translations-otherUpgrade xulrunner-debuginfoUpgrade mozilla-nss-32bitUpgrade firefox3-gtk2-32bitUpgrade MozillaThunderbird-translations-commonUpgrade mozilla-js-32bitUpgrade libsoftokn3-32bitUpgrade mozilla-nss-toolsUpgrade mozilla-nss-tools-debuginfoUpgrade firefox3-cairoUpgrade MozillaThunderbird-develUpgrade MozillaThunderbird-debugsourceUpgrade libfreebl3-debuginfo-x86Upgrade xulrunner-32bitUpgrade xulrunner-debugsourceUpgrade seamonkey-venkmanUpgrade xulrunner-buildsymbolsUpgrade firefox3-cairo-32bitUpgrade MozillaFirefox-develUpgrade libsoftokn3-debuginfo-32bitUpgrade xulrunner-devel-debuginfoUpgrade MozillaFirefox-translationsUpgrade MozillaThunderbird-buildsymbolsUpgrade libfreebl3-x86Upgrade MozillaThunderbirdUpgrade mozilla-nss-sysinit-32bitUpgrade mozillafirefox-branding-upstreamUpgrade mozilla-nss-certs-debuginfo-32bitUpgrade mozilla-js-x86Upgrade firefox3-gtk2Upgrade mozilla-nspr-debuginfo-x86Upgrade mozilla-nspr-32bitUpgrade seamonkey-debugsourceUpgrade mozilla-nspr-debugsourceUpgrade firefox3-pango-32bitUpgrade libsoftokn3-debuginfoUpgrade mozilla-nss-sysinit-debuginfo-32bitUpgrade xulrunner-x86Upgrade mozilla-nspr-develUpgrade libfreebl3Upgrade MozillaFirefox-debugsourceUpgrade seamonkey-debuginfoUpgrade sle-sdk-releaseUpgrade mozillafirefox-buildsymbolsUpgrade mozilla-jsUpgrade mozilla-js-debuginfo-x86Upgrade mozilla-nspr-64bitUpgrade seamonkey-dom-inspectorUpgrade libsoftokn3-x86Upgrade mozilla-nsprUpgrade mozilla-nspr-debuginfoUpgrade mozilla-nssUpgrade MozillaThunderbird-debuginfoUpgrade mozilla-nss-certs-debuginfo-x86Upgrade libfreebl3-debuginfo-32bitUpgrade MozillaFirefox-translations-commonUpgrade mozilla-nss-debuginfo-32bitUpgrade mozilla-nss-sysinitUpgrade MozillaFirefox-branding-SLEDUpgrade MozillaFirefox-debuginfoUpgrade mozilla-nss-64bitUpgrade firefox3-pangoUpgrade enigmail-debuginfo | Feb 17, 2015 | Jan 13, 2013 |
| Ubuntu | — | Upgrade thunderbirdUpgrade firefox | Nov 8, 2024 | Jan 13, 2013 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub