The nsScannerString::AppendUnicodeTo function in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 does not verify that memory allocation succeeds, which allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds read) via crafted Unicode data in an HTML, XML, or SVG document.
CVSS Details
- CVSS 3.1 Base Score: 8.8
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Centos_linux | — | Upgrade thunderbirdUpgrade firefox | Jul 6, 2016 | Mar 13, 2016 |
| Debian | — | Upgrade iceweaselUpgrade icedoveUpgrade firefox-esr | Mar 13, 2016 | Mar 13, 2016 |
| Freebsd | — | Upgrade linux-thunderbirdUpgrade libxulUpgrade seamonkeyUpgrade firefox-esrUpgrade firefoxUpgrade linux-firefoxUpgrade linux-seamonkeyUpgrade thunderbird | Dec 10, 2025 | Mar 8, 2016 |
| Gentoo Linux | — | Upgrade mail-client/thunderbird-bin.Upgrade www-client/firefox.Upgrade dev-libs/nss.Upgrade mail-client/thunderbird.Upgrade www-client/firefox-bin.Upgrade dev-libs/nspr. | Oct 30, 2017 | Mar 13, 2016 |
| Huawei Euleros 2_0_sp1 | — | Upgrade firefox | Nov 30, 2017 | Mar 13, 2016 |
| Mfsa2016 34 | — | Upgrade to Mozilla Firefox ESR version 38.7Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 45.0 | Mar 10, 2016 | Mar 8, 2016 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 45.0Upgrade to Mozilla Thunderbird version 38.7 | Mar 16, 2016 | Mar 13, 2016 |
| Oracle Solaris | — | Upgrade mail/thunderbird/plugin/thunderbird-lightning to version 45.3.0-0.175.3.14.0.4.0 on Solaris 11.3Upgrade mail/thunderbird to version 45.3.0-0.175.3.14.0.4.0 on Solaris 11.3Upgrade web/data/firefox-bookmarks to version 45.4.0-0.175.3.14.0.4.0 on Solaris 11.3Upgrade developer/yasm to version 1.3.0-0.175.3.14.0.2.0 on Solaris 11.3Upgrade web/browser/firefox to version 45.4.0-0.175.3.14.0.4.0 on Solaris 11.3 | May 29, 2017 | Mar 13, 2016 |
| Oracle_linux | — | Upgrade thunderbirdUpgrade firefox | Mar 13, 2016 | Mar 13, 2016 |
| Suse | — | Upgrade libfreebl3-hmac-32bitUpgrade libfreebl3-x86Upgrade MozillaFirefox-translations-otherUpgrade mozilla-nss-32bitUpgrade MozillaThunderbird-translations-commonUpgrade libsoftokn3Upgrade MozillaThunderbirdUpgrade mozilla-nss-toolsUpgrade mozilla-nss-develUpgrade mozilla-nss-certs-32bitUpgrade MozillaFirefox-develUpgrade libsoftokn3-32bitUpgrade MozillaThunderbird-develUpgrade libsoftokn3-hmac-32bitUpgrade mozilla-nss-x86Upgrade MozillaFirefox-translations-commonUpgrade MozillaFirefoxUpgrade MozillaThunderbird-translations-otherUpgrade mozilla-nss-sysinit-32bitUpgrade mozilla-nss-certsUpgrade libfreebl3Upgrade mozilla-nspr-develUpgrade mozilla-nspr-32bitUpgrade mozilla-nspr-x86Upgrade libfreebl3-hmacUpgrade mozilla-nssUpgrade MozillaFirefox-translationsUpgrade libsoftokn3-x86Upgrade MozillaThunderbird-buildsymbolsUpgrade libsoftokn3-hmacUpgrade libfreebl3-32bitUpgrade mozilla-nsprUpgrade mozilla-nss-sysinit | Mar 14, 2016 | Mar 11, 2016 |
| Ubuntu | — | Upgrade thunderbirdUpgrade firefox | Mar 13, 2016 | Mar 13, 2016 |
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