nss: Use-after-free in NSS during SSL connections in low memory (MFSA 2016-15)
Published Mar 13, 2016
7.3
HIGHCVSS 3.0
EPSS 2.39%
Description
Use-after-free vulnerability in the ssl3_HandleECDHServerKeyExchange function in Mozilla Network Security Services (NSS) before 3.21, as used in Mozilla Firefox before 44.0, allows remote attackers to cause a denial of service or possibly have unspecified other impact by making an SSL (1) DHE or (2) ECDHE handshake at a time of high memory consumption.
Affected products
No data.
- ≤ 3.20.1
No data.
Red Hat Enterprise Linux 5
nspr-0:4.11.0-1.el5_11
Fixed · RHSA-2016:0684
Red Hat Enterprise Linux 5
nss-0:3.21.0-6.el5_11
Fixed · RHSA-2016:0684
Red Hat Enterprise Linux 6
nspr-0:4.11.0-0.1.el6_7
Fixed · RHSA-2016:0591
Red Hat Enterprise Linux 6
nss-0:3.21.0-0.3.el6_7
Fixed · RHSA-2016:0591
Red Hat Enterprise Linux 6
nss-util-0:3.21.0-0.3.el6_7
Fixed · RHSA-2016:0591
Red Hat Enterprise Linux 7
nspr-0:4.11.0-1.el7_2
Fixed · RHSA-2016:0685
Red Hat Enterprise Linux 7
nss-0:3.21.0-9.el7_2
Fixed · RHSA-2016:0685
Red Hat Enterprise Linux 7
nss-softokn-0:3.16.2.3-14.2.el7_2
Fixed · RHSA-2016:0685
Red Hat Enterprise Linux 7
nss-util-0:3.21.0-2.2.el7_2
Fixed · RHSA-2016:0685
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | nspr-0:4.11.0-1.el5_11 | Fixed | RHSA-2016:0684 |
| Red Hat Enterprise Linux 5 | nss-0:3.21.0-6.el5_11 | Fixed | RHSA-2016:0684 |
| Red Hat Enterprise Linux 6 | nspr-0:4.11.0-0.1.el6_7 | Fixed | RHSA-2016:0591 |
| Red Hat Enterprise Linux 6 | nss-0:3.21.0-0.3.el6_7 | Fixed | RHSA-2016:0591 |
| Red Hat Enterprise Linux 6 | nss-util-0:3.21.0-0.3.el6_7 | Fixed | RHSA-2016:0591 |
| Red Hat Enterprise Linux 7 | nspr-0:4.11.0-1.el7_2 | Fixed | RHSA-2016:0685 |
| Red Hat Enterprise Linux 7 | nss-0:3.21.0-9.el7_2 | Fixed | RHSA-2016:0685 |
| Red Hat Enterprise Linux 7 | nss-softokn-0:3.16.2.3-14.2.el7_2 | Fixed | RHSA-2016:0685 |
| Red Hat Enterprise Linux 7 | nss-util-0:3.21.0-2.2.el7_2 | Fixed | RHSA-2016:0685 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.39% (0.02386) | 83.32th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.39% (0.02386) | 81.69th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.26% (0.02256) | 83.12th | v4 (v2025.03.14) |
| Mar 29, 2025 | 6.57% (0.06570) | 84.84th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.26% (0.02256) | 83.44th | v4 (v2025.03.14) |
| Jan 1, 2025 | 5.70% (0.05698) | 93.24th | v3 (v2023.03.01) |
| Jun 14, 2023 | 7.71% (0.07706) | 93.24th | v3 (v2023.03.01) |
| Mar 26, 2023 | 6.44% (0.06444) | 92.56th | v3 (v2023.03.01) |
| Mar 7, 2023 | 4.58% (0.04584) | 91.25th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.36% (0.04358) | 88.02th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.36% (0.04358) | 86.83th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.36% (0.04358) | 70.59th | v2 (v2022.01.01) |
No CWE recorded.
References (25)
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00027.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00050.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00068.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00093.html vendor-advisoryx_refsource_SUSE
- http://rhn.redhat.com/errata/RHSA-2016-0591.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2016-0684.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2016-0685.html vendor-advisoryx_refsource_REDHAT
- http://www.debian.org/security/2016/dsa-3688 vendor-advisoryx_refsource_DEBIAN
- http://www.mozilla.org/security/announce/2016/mfsa2016-15.html x_refsource_CONFIRMVendor Advisory
- http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html x_refsource_CONFIRM
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html x_refsource_CONFIRM
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html x_refsource_CONFIRM
- http://www.securityfocus.com/bid/84275 vdb-entryx_refsource_BID
- http://www.securityfocus.com/bid/91787 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1035258 vdb-entryx_refsource_SECTRACK
- http://www.ubuntu.com/usn/USN-2973-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2016-1978 Vendor Advisory
- https://bto.bluecoat.com/security-advisory/sa124 x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=1209546 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=1315565 Issue Tracking
- https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.21_release_notes x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2016-1978
- https://security.gentoo.org/glsa/201605-06 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2016-1978
- https://www.mozilla.org/security/announce/2016/mfsa2016-15.html
Change history (0)
No recorded changes yet.