The s_mp_div function in lib/freebl/mpi/mpi.c in Mozilla Network Security Services (NSS) before 3.21, as used in Mozilla Firefox before 44.0, improperly divides numbers, which might make it easier for remote attackers to defeat cryptographic protection mechanisms by leveraging use of the (1) mp_div or (2) mp_exptmod function.
CVSS Details
- CVSS 3.1 Base Score: 6.5
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade nss | Aug 30, 2017 | Jan 31, 2016 |
| Debian | — | Upgrade nss | Oct 7, 2016 | Jan 31, 2016 |
| Freebsd | — | Upgrade linux-c6-nssUpgrade linux-seamonkeyUpgrade linux-firefoxUpgrade nss | Dec 10, 2025 | Mar 8, 2016 |
| Gentoo Linux | — | Upgrade mail-client/thunderbird.Upgrade mail-client/thunderbird-bin.Upgrade dev-libs/nspr.Upgrade www-client/firefox-bin.Upgrade dev-libs/nss.Upgrade www-client/firefox. | Oct 30, 2017 | Jan 31, 2016 |
| Mfsa2016 07 | — | Upgrade to Mozilla Firefox version 44.0Upgrade to Mozilla Firefox ESR version 38.8 | Jan 29, 2016 | Jan 26, 2016 |
| Oracle Solaris | — | Upgrade developer/yasm to version 1.3.0-0.175.3.14.0.2.0 on Solaris 11.3Upgrade mail/thunderbird to version 45.3.0-0.175.3.14.0.4.0 on Solaris 11.3Upgrade mail/thunderbird/plugin/thunderbird-lightning to version 45.3.0-0.175.3.14.0.4.0 on Solaris 11.3Upgrade web/browser/firefox to version 45.4.0-0.175.3.14.0.4.0 on Solaris 11.3Upgrade web/data/firefox-bookmarks to version 45.4.0-0.175.3.14.0.4.0 on Solaris 11.3 | May 29, 2017 | Jan 31, 2016 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jan 26, 2016 |
| Suse | — | Upgrade libsoftokn3-hmacUpgrade mozilla-nss-x86Upgrade mozilla-nss-sysinit-32bitUpgrade mozillafirefoxUpgrade MozillaFirefox-translationsUpgrade mozilla-nss-toolsUpgrade libsoftokn3-32bitUpgrade libsoftokn3Upgrade libsoftokn3-x86Upgrade mozilla-nss-develUpgrade mozillafirefox-branding-sleUpgrade mozilla-nss-32bitUpgrade mozillafirefox-translations-otherUpgrade libsoftokn3-hmac-32bitUpgrade libfreebl3-32bitUpgrade mozillafirefox-develUpgrade libfreebl3-x86Upgrade mozilla-nss-certs-32bitUpgrade libfreebl3-hmacUpgrade libfreebl3Upgrade mozillafirefox-branding-sledUpgrade mozilla-nss-certsUpgrade mozillafirefox-translations-commonUpgrade mozilla-nss-sysinitUpgrade mozilla-nssUpgrade libfreebl3-hmac-32bit | Feb 2, 2016 | Jan 31, 2016 |
| Ubuntu | — | Upgrade firefoxUpgrade thunderbirdUpgrade libnss3 | Feb 2, 2016 | Jan 31, 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