The cert_TestHostName function in lib/certdb/certdb.c in the certificate-checking implementation in Mozilla Network Security Services (NSS) before 3.16 accepts a wildcard character that is embedded in an internationalized domain name's U-label, which might allow man-in-the-middle attackers to spoof SSL servers via a crafted certificate.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade nss | Aug 30, 2017 | Mar 25, 2014 |
| Centos_linux | — | Upgrade nss-toolsUpgrade nss-softokn-freeblUpgrade nss-sysinitUpgrade nspr-develUpgrade nss-softokn-develUpgrade nss-util-develUpgrade nss-softoknUpgrade nsprUpgrade nss-pkcs11-develUpgrade nssUpgrade nss-utilUpgrade nss-softokn-freebl-develUpgrade nss-devel | Dec 1, 2016 | Mar 25, 2014 |
| Debian | — | Upgrade nss | Jul 30, 2024 | Mar 25, 2014 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | Sep 17, 2015 |
| Freebsd | — | Upgrade firefox-esrUpgrade linux-thunderbirdUpgrade linux-firefoxUpgrade thunderbirdUpgrade seamonkeyUpgrade firefoxUpgrade linux-seamonkey | Dec 10, 2025 | Apr 29, 2014 |
| Gentoo Linux | — | Upgrade www-client/seamonkey-bin.Upgrade mail-client/thunderbird-bin.Upgrade www-client/seamonkey.Upgrade www-client/firefox.Upgrade www-client/firefox-bin.Upgrade dev-libs/nspr.Upgrade mail-client/thunderbird. | Oct 30, 2017 | Mar 25, 2014 |
| Mfsa2014 45 | — | Upgrade to Mozilla Firefox version 29.0Upgrade to the latest version of Mozilla Firefox | Apr 30, 2014 | Mar 25, 2014 |
| Mozilla Seamonkey | — | Upgrade to Mozilla SeaMonkey version 2.26Upgrade to the latest version of Mozilla SeaMonkey | Dec 8, 2014 | Mar 25, 2014 |
| Oracle_linux | — | Upgrade nssUpgrade nss-sysinitUpgrade nss-toolsUpgrade nss-util-develUpgrade nss-utilUpgrade nss-softokn-develUpgrade nsprUpgrade nss-softokn-freeblUpgrade nspr-develUpgrade nss-softoknUpgrade nss-pkcs11-develUpgrade nss-softokn-freebl-develUpgrade nss-devel | Oct 16, 2024 | Mar 25, 2014 |
| Suse | — | Upgrade libfreebl3-x86Upgrade libsoftokn3-hmac-32bitUpgrade mozilla-nss-certs-32bitUpgrade libsoftokn3Upgrade mozilla-nssUpgrade MozillaFirefox-translations-otherUpgrade libsoftokn3-hmacUpgrade libfreebl3-hmac-32bitUpgrade mozilla-nss-32bitUpgrade mozilla-nss-x86Upgrade mozilla-nss-certsUpgrade MozillaFirefox-branding-SLEDUpgrade mozilla-nss-develUpgrade libfreebl3-32bitUpgrade libfreebl3Upgrade MozillaFirefoxUpgrade MozillaFirefox-translationsUpgrade libsoftokn3-x86Upgrade MozillaFirefox-develUpgrade libfreebl3-hmacUpgrade MozillaFirefox-translations-commonUpgrade mozilla-nspr-32bitUpgrade libsoftokn3-32bitUpgrade mozilla-nss-sysinitUpgrade mozilla-nss-sysinit-32bitUpgrade mozilla-nss-toolsUpgrade mozilla-nspr | Dec 18, 2015 | Mar 25, 2014 |
| Ubuntu | — | Upgrade libnss3-1dUpgrade firefoxUpgrade libnss3 | Nov 8, 2024 | Mar 25, 2014 |
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