The sec_asn1d_parse_leaf function in Mozilla Network Security Services (NSS) before 3.19.2.1 and 3.20.x before 3.20.1, as used in Firefox before 42.0 and Firefox ESR 38.x before 38.4 and other products, improperly restricts access to an unspecified data structure, which allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via crafted OCTET STRING data, related to a "use-after-poison" issue.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade nss | Aug 30, 2017 | Nov 5, 2015 |
| Centos_linux | — | Upgrade nss-develUpgrade nssUpgrade nss-pkcs11-develUpgrade nss-sysinitUpgrade nss-util-develUpgrade nss-utilUpgrade nss-toolsUpgrade nspr-develUpgrade nspr | Dec 1, 2016 | Nov 5, 2015 |
| Debian | — | Upgrade icedoveUpgrade nssUpgrade iceweasel | Nov 9, 2015 | Nov 5, 2015 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | Dec 9, 2015 |
| Freebsd | — | Upgrade linux-c6-nsprUpgrade linux-thunderbirdUpgrade nssUpgrade libxulUpgrade seamonkeyUpgrade firefox-esrUpgrade nsprUpgrade firefoxUpgrade linux-seamonkeyUpgrade thunderbirdUpgrade linux-firefox | Dec 10, 2025 | Nov 19, 2015 |
| Gentoo Linux | — | Upgrade dev-libs/nss.Upgrade www-client/firefox.Upgrade www-client/firefox-bin.Upgrade mail-client/thunderbird-bin.Upgrade mail-client/thunderbird.Upgrade dev-libs/nspr. | Oct 30, 2017 | Nov 5, 2015 |
| Google Chrome | — | Upgrade to the latest version of Google Chrome | Jul 28, 2026 | Oct 13, 2015 |
| Mfsa2015 133 | — | Upgrade to Mozilla Firefox ESR version 38.4Upgrade to Mozilla Firefox version 42.0Upgrade to the latest version of Mozilla Firefox | Nov 4, 2015 | Nov 3, 2015 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 38.4 | Nov 30, 2015 | Nov 5, 2015 |
| Oracle Solaris | — | Upgrade database/sqlite-3/documentation to version 3.9.2-0.175.3.8.0.2.0 on Solaris 11.3Upgrade developer/yasm to version 1.3.0-0.175.3.14.0.2.0 on Solaris 11.3Upgrade database/sqlite-3 to version 3.9.2-0.175.3.8.0.2.0 on Solaris 11.3Upgrade web/browser/firefox to version 38.4.0-0.175.3.8.0.2.0 on Solaris 11.3Upgrade mail/thunderbird to version 45.3.0-0.175.3.14.0.4.0 on Solaris 11.3Upgrade runtime/tcl-8/tcl-sqlite-3 to version 3.9.2-0.175.3.8.0.2.0 on Solaris 11.3Upgrade mail/thunderbird/plugin/thunderbird-lightning to version 45.3.0-0.175.3.14.0.4.0 on Solaris 11.3 | May 29, 2017 | Nov 5, 2015 |
| Oracle_linux | — | Upgrade nss-sysinitUpgrade nss-develUpgrade nss-utilUpgrade nspr-develUpgrade nssUpgrade nsprUpgrade nss-pkcs11-develUpgrade nss-toolsUpgrade nss-util-devel | Oct 16, 2024 | Nov 5, 2015 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Nov 3, 2015 |
| Suse | — | Upgrade libfreebl3-32bitUpgrade mozilla-nss-sysinit-32bitUpgrade MozillaFirefoxUpgrade mozilla-nsprUpgrade MozillaFirefox-translationsUpgrade libsoftokn3-x86Upgrade mozilla-nss-x86Upgrade mozilla-nspr-32bitUpgrade MozillaFirefox-translations-commonUpgrade libfreebl3-hmacUpgrade mozilla-nspr-x86Upgrade mozilla-nss-32bitUpgrade libsoftokn3-32bitUpgrade libfreebl3Upgrade mozillafirefox-branding-sleUpgrade mozilla-nspr-develUpgrade MozillaThunderbird-translations-otherUpgrade libsoftokn3Upgrade libfreebl3-x86Upgrade mozilla-nss-certs-32bitUpgrade MozillaFirefox-branding-SLEDUpgrade mozilla-nss-certsUpgrade MozillaThunderbird-develUpgrade mozilla-nss-toolsUpgrade libsoftokn3-hmacUpgrade mozilla-nss-develUpgrade mozilla-nss-sysinitUpgrade MozillaFirefox-develUpgrade MozillaThunderbird-translations-commonUpgrade mozilla-nssUpgrade MozillaFirefox-translations-otherUpgrade libfreebl3-hmac-32bitUpgrade MozillaThunderbirdUpgrade libsoftokn3-hmac-32bit | Dec 18, 2015 | Nov 5, 2015 |
| Ubuntu | — | Upgrade thunderbirdUpgrade firefoxUpgrade libnss3 | Nov 9, 2015 | Nov 5, 2015 |
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