Mozilla Network Security Services (NSS) before 3.23, as used in Mozilla Firefox before…
Priority MEDIUM 44Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat.
Summary
Mozilla Network Security Services (NSS) before 3.23, as used in Mozilla Firefox before 47.0, allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly have unspecified other impact via unknown vectors.
Why it matters now
EPSS 0.0338 88th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 15
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* | 12.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | 14.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* | 15.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | 16.04 | Vulnerable | Canonical |
| cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:* | 42.1 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* | 13.1 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* | 13.2 | Vulnerable | openSUSE |
| cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:* | up to 3.22 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | up to 46.0.1 | Vulnerable | Mozilla |
| cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:12.0:*:*:*:*:*:*:* | 12.0 | Vulnerable | Novell |
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* Versions 12.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* Versions 15.10 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
- cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:* Versions 42.1 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* Versions 13.1 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* Versions 13.2 Vulnerable ·openSUSE
- cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:* Versions up to 3.22 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions up to 46.0.1 Vulnerable ·Mozilla
- cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:12.0:*:*:*:*:*:*:* Versions 12.0 Vulnerable ·Novell
Show 5 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:12.0:sp1:*:*:*:*:*:* | 12.0 sp1 | Vulnerable | Novell |
| cpe:2.3:o:novell:suse_linux_enterprise_desktop:12.0:*:*:*:*:*:*:* | 12.0 | Vulnerable | Novell |
| cpe:2.3:o:novell:suse_linux_enterprise_desktop:12.0:sp1:*:*:*:*:*:* | 12.0 sp1 | Vulnerable | Novell |
| cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:*:*:*:*:*:*:* | 12.0 | Vulnerable | Novell |
| cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:sp1:*:*:*:*:*:* | 12.0 sp1 | Vulnerable | Novell |
- cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:12.0:sp1:*:*:*:*:*:* Versions 12.0 sp1 Vulnerable ·Novell
- cpe:2.3:o:novell:suse_linux_enterprise_desktop:12.0:*:*:*:*:*:*:* Versions 12.0 Vulnerable ·Novell
- cpe:2.3:o:novell:suse_linux_enterprise_desktop:12.0:sp1:*:*:*:*:*:* Versions 12.0 sp1 Vulnerable ·Novell
- cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:*:*:*:*:*:*:* Versions 12.0 Vulnerable ·Novell
- cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:sp1:*:*:*:*:*:* Versions 12.0 sp1 Vulnerable ·Novell
Remediation
Red Hat 1 advisory
- RHSA-2016:2779 Released 2016-11-16 · Red Hat rating Moderatenss and nss-util security update
- Red Hat Enterprise Linux (v. 5 server) nss-3.21.3-2.el5_11, nss-3.21.3-2.el5_11.i386, nss-3.21.3-2.el5_11.ia64 +13
- Red Hat Enterprise Linux Client (v. 7) nss-3.21.3-2.el7_3, nss-sysinit-3.21.3-2.el7_3, nss-tools-3.21.3-2.el7_3 +1
- Red Hat Enterprise Linux Client Optional (v. 7) nss-devel-3.21.3-2.el7_3, nss-pkcs11-devel-3.21.3-2.el7_3, nss-util-devel-3.21.3-1.1.el7_3
- Red Hat Enterprise Linux ComputeNode (v. 7) nss-3.21.3-2.el7_3, nss-sysinit-3.21.3-2.el7_3, nss-tools-3.21.3-2.el7_3 +1
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) nss-devel-3.21.3-2.el7_3, nss-pkcs11-devel-3.21.3-2.el7_3, nss-util-devel-3.21.3-1.1.el7_3
- Red Hat Enterprise Linux Desktop (v. 5 client) nss-3.21.3-2.el5_11, nss-3.21.3-2.el5_11.i386, nss-tools-3.21.3-2.el5_11 +1
- Red Hat Enterprise Linux Desktop (v. 6) nss-3.21.3-2.el6_8, nss-sysinit-3.21.3-2.el6_8, nss-tools-3.21.3-2.el6_8 +1
- Red Hat Enterprise Linux Desktop Optional (v. 6) nss-devel-3.21.3-2.el6_8, nss-pkcs11-devel-3.21.3-2.el6_8, nss-util-devel-3.21.3-1.el6_8
- Red Hat Enterprise Linux Desktop Workstation (v. 5 client) nss-3.21.3-2.el5_11, nss-devel-3.21.3-2.el5_11, nss-devel-3.21.3-2.el5_11.i386 +2
- Red Hat Enterprise Linux HPC Node (v. 6) nss-3.21.3-2.el6_8, nss-sysinit-3.21.3-2.el6_8, nss-tools-3.21.3-2.el6_8 +1
- Red Hat Enterprise Linux HPC Node Optional (v. 6) nss-devel-3.21.3-2.el6_8, nss-pkcs11-devel-3.21.3-2.el6_8, nss-util-devel-3.21.3-1.el6_8
- Red Hat Enterprise Linux Server (v. 6) nss-3.21.3-2.el6_8, nss-3.21.3-2.el6_8.ppc, nss-devel-3.21.3-2.el6_8 +7
- Red Hat Enterprise Linux Server (v. 7) nss-3.21.3-2.el7_3, nss-3.21.3-2.el7_3.ppc, nss-devel-3.21.3-2.el7_3 +7
- Red Hat Enterprise Linux Server Optional (v. 6) nss-pkcs11-devel-3.21.3-2.el6_8, nss-pkcs11-devel-3.21.3-2.el6_8.ppc
- Red Hat Enterprise Linux Server Optional (v. 7) nss-pkcs11-devel-3.21.3-2.el7_3, nss-pkcs11-devel-3.21.3-2.el7_3.ppc
- Red Hat Enterprise Linux Workstation (v. 6) nss-3.21.3-2.el6_8, nss-devel-3.21.3-2.el6_8, nss-sysinit-3.21.3-2.el6_8 +3
- Red Hat Enterprise Linux Workstation (v. 7) nss-3.21.3-2.el7_3, nss-devel-3.21.3-2.el7_3, nss-sysinit-3.21.3-2.el7_3 +3
- Red Hat Enterprise Linux Workstation Optional (v. 6) nss-pkcs11-devel-3.21.3-2.el6_8
- Red Hat Enterprise Linux Workstation Optional (v. 7) nss-pkcs11-devel-3.21.3-2.el7_3
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2016:2779 |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2016:2779 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2016:2779 |
| Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2016:2779 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2016:2779 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2016:2779 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2016:2779 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2016:2779 |
| Red Hat Enterprise Linux Desktop Workstation (v. 5 client) | Fixed | RHSA-2016:2779 |
| Red Hat Enterprise Linux HPC Node (v. 6) | Fixed | RHSA-2016:2779 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2016:2779 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2016:2779 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2016:2779 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2016:2779 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2016:2779 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2016:2779 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2016:2779 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2016:2779 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2016:2779 |
Timeline
- 2026-10-02 Threatist record created from CVE-2016-2834
- 2026-10-03 Alias added: GHSA-x44r-c6cw-9c9w
References
Advisory 8
Other 7
- https://bugzilla.mozilla.org/show_bug.cgi?id=1241034
- https://bugzilla.mozilla.org/show_bug.cgi?id=1221620
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.23_release_notes
- https://bugzilla.mozilla.org/show_bug.cgi?id=1206283
- http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=1241037
Sources
- CVE-2016-2834 · CVE Program
- CVE-2016-2834 · NVD
- FIRST EPSS
- GHSA-x44r-c6cw-9c9w · GitHub Advisory Database · CC BY 4.0
- CVE-2016-2834 · Red Hat security data · CC BY 4.0
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