CVE-2016-1978
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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.38% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 83.7% of scored records. A rank, not a probability.
- NVD base score
- 7.3 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2016-03-13 18:00Z10 YR AGO
- Last updated
- 2024-08-05 23:17Z2 YR AGO
- Reserved
- 2016-01-20
- Assigning CNA
- mozilla
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- 2a92fbafcd54db1e8189b85c51b5e8a5ce4c075c3a1e39de7445d6ed39031a2b
05 Affected products
06 References
- bto.bluecoat.comhttps://bto.bluecoat.com/security-advisory/sa124
- www.oracle.comhttp://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- www.debian.orgDSA-3688http://www.debian.org/security/2016/dsa-3688
- rhn.redhat.comRHSA-2016:0684http://rhn.redhat.com/errata/RHSA-2016-0684.html
- www.oracle.comhttp://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- www.mozilla.orghttp://www.mozilla.org/security/announce/2016/mfsa2016-15.html
- www.oracle.comhttp://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
- lists.opensuse.orgSUSE-SU-2016:0820http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00068.html
- rhn.redhat.comRHSA-2016:0685http://rhn.redhat.com/errata/RHSA-2016-0685.html
- lists.opensuse.orgSUSE-SU-2016:0727http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00027.html
- www.securityfocus.com84275http://www.securityfocus.com/bid/84275
- developer.mozilla.orghttps://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.21_release_notes
- www.ubuntu.comUSN-2973-1http://www.ubuntu.com/usn/USN-2973-1
- rhn.redhat.comRHSA-2016:0591http://rhn.redhat.com/errata/RHSA-2016-0591.html
- lists.opensuse.orgSUSE-SU-2016:0909http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00093.html
- www.securitytracker.com1035258http://www.securitytracker.com/id/1035258
- www.securityfocus.com91787http://www.securityfocus.com/bid/91787
- bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1209546
- lists.opensuse.orgSUSE-SU-2016:0777http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00050.html
- security.gentoo.orgGLSA-201605-06https://security.gentoo.org/glsa/201605-06
07 Fixed in
Debian 12
- nss Fixed in 2:3.21-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- nss Fixed in 2:3.21-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- nss Fixed in 2:3.21-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- firefox Fixed in 44.0.2+build1-0ubuntu0.14.04.1
- nss Fixed in 2:3.21-0ubuntu0.14.04.1
- thunderbird Fixed in 1:38.8.0+build1-0ubuntu0.14.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- thunderbird Fixed in 1:38.8.0+build1-0ubuntu0.16.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.