Description
Use-after-free vulnerability in the CERT_DestroyCertificate function in libnss3.so in Mozilla Network Security Services (NSS) 3.x, as used in Firefox before 31.0, Firefox ESR 24.x before 24.7, and Thunderbird before 24.7, allows remote attackers to execute arbitrary code via vectors that trigger certain improper removal of an NSSCertificate structure from a trust domain.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | nss | 2:3.16.3-1 | — |
| Debian 13 | nss | 2:3.16.3-1 | — |
| Debian 12 | nss | 2:3.16.3-1 | — |
| Debian 7 | icedove | 24.7.0-1~deb7u1 | DSA-2996-1 |
| Debian 7 | iceweasel | 24.7.0esr-1~deb7u1 | DSA-2986-1 |
| Debian 7 | nss | 2:3.14.5-1+deb7u3 | DSA-3071-1 |
| Debian 6.0 | nss | 3.12.8-1+squeeze10 | DLA-89-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | firefox | 31.0+build1-0ubuntu0.14.04.1 | USN-2295-1 |
| Ubuntu 14.04 LTS | nss | 2:3.15.4-1ubuntu7.1 | USN-2343-1 |
| Ubuntu 14.04 LTS | thunderbird | 1:31.0+build1-0ubuntu0.14.04.1 | USN-2296-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | nspr +1 | 4.10.6-1.el7_0 | RHSA-2014:0916 |
| RHEL 7 | nss +4 | 3.15.4-7.el7_0 | RHSA-2014:0916 |
| RHEL 6 | nspr +1 | 4.10.6-1.el6_5 | RHSA-2014:0917 |
| RHEL 6 | nss +4 | 3.16.1-4.el6_5 | RHSA-2014:0917 |
| RHEL 6 | nss-util +1 | 3.16.1-1.el6_5 | RHSA-2014:0917 |
| RHEL 5 | nspr +1 | 4.10.6-1.el5_10 | RHSA-2014:0916 |
| RHEL 5 | nss +3 | 3.15.3-7.el5_10 | RHSA-2014:0916 |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Mission Critical 6 | nss +4 | 3.13.1-10.el6_2 | RHSA-2014:0915 |
| Red Hat Rhel Mission Critical 5 | nss +3 | 3.12.8-9.el5_6 | RHSA-2014:0915 |
| RHEL 6.4 EUS | nss +4 | 3.14.3-6.el6_4 | RHSA-2014:0915 |
| RHEL 5.9 EUS | nss +3 | 3.14.3-9.el5_9 | RHSA-2014:0915 |
| RHEL 4 ELS | nss +2 | 3.12.10-7.el4 | RHSA-2014:1165 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | MozillaFirefox | 50.1.0-1.1 | openSUSE-SU-2024:10071-1 |
| openSUSE Tumbleweed | MozillaThunderbird | 45.5.1-1.1 | openSUSE-SU-2024:10230-1 |
| openSUSE Tumbleweed | firefox-esr | 128.5.1-1.1 | openSUSE-SU-2024:14572-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | nspr +1 | 4.10.6-1.el7_0 | ELSA-2014-0916 |
| Oracle Linux 7 | nss +4 | 3.15.4-7.0.1.el7_0 | ELSA-2014-0916 |
Advisories 15
- RHSA-2014:1165 Red Hat Security Advisory: nss security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2014:0917 Red Hat Security Advisory: nss and nspr security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2014:0915 Red Hat Security Advisory: nss security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2014:0916 Red Hat Security Advisory: nss and nspr security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- USN-2343-1 nss vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- USN-2295-1 firefox vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- USN-2296-1 thunderbird vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-89-1 nss - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-2996-1 icedove - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3071-1 nss - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-2986-1 iceweasel - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10230-1 MozillaThunderbird-45.5.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:14572-1 firefox-esr-128.5.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10071-1 MozillaFirefox-50.1.0-1.1 on GA media SUSE / openSUSE Security Updates · May 7, 2025
- ELSA-2014-0916 Critical: nss and nspr security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jul 22, 2014
References
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- 59719 third-party-advisory
- 60083 third-party-advisory
- 68816 vdb-entry
- http://www.mozilla.org/security/announce/2014/mfsa2014-63.html
- 60621 third-party-advisory
- GLSA-201504-01 vendor-advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- 1030617 vdb-entry
- DSA-2996 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=963150
- 60486 third-party-advisory
- 60628 third-party-advisory
- DSA-2986 vendor-advisory
- 59760 third-party-advisory
- 59591 third-party-advisory