nss: Missing NULL check in PK11_SignWithSymKey / ssl3_ComputeRecordMACConstantTime causes server crash
Published Nov 15, 2019
7.5
HIGHCVSS 3.1
EPSS 2.28%
Description
A Null pointer dereference vulnerability exists in Mozilla Network Security Services due to a missing NULL check in PK11_SignWithSymKey / ssl3_ComputeRecordMACConstantTime, which could let a remote malicious user cause a Denial of Service.
Affected products
-
- Version 3.24StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Network Security Services | n/a |
|
Configuration 2
- 8.0
- 9.0
- 10.0
Configuration 3
- 5.0
- 6.0
- 7.0
Configuration 4
- 11
Configuration 5
- ≥ 6.1 · ≤ 6.3.3
- 7.0
- 3.0
- 3.0
- 3.0
- 3.0
- 3.0
- 3.0
- 3.0
- 3.0
- 3.0
- 3.0
- 3.0
- 3.0
- 3.0
- 3.0
- ≥ 6.0 · ≤ 6.3.117.0
- 7.0
- 7.0
- 7.0
- 7.0
- 7.0
- ≥ 3.0 · ≤ 3.2
- ≥ 18.0.0.1 · ≤ 18.0.0.2
- 17.0
- 17.0
- 17.0
- 17.0
- 17.0
- 5.2.x
Configuration 6
- ≥ 7.0 · ≤ 7.6
Configuration 7
- ≥ 7.0 · ≤ 7.6
Configuration 8
- ≥ 7.0 · ≤ 7.6
Running on/with
- n/a
Configuration 9
- 7.0
- 7.2
- 8.0
- 8.0
- 8.0
- 8.0
- 8.0
- 8.0
- 8.0
- ≥ 6.0 · ≤ 7.1
Configuration 10
- 8.1
- 9.1
- 9.1
- 9.1
- 9.1
- 9.1
- 9.1
- 9.1
- 9.1
- 9.1
- 9.1
- 9.1
- 9.1
- 10.0
- 10.0
- 10.0
- 10.0
- 10.0
- 10.0
- 10.0
- 10.0
Configuration 11
- 6.3
- 6.3.3
- 6.3.3
- 6.3.3
- 6.3.3
- ≥ 6.3 · ≤ 6.3.18
- 7.0
- 7.0
- 7.0
- 7.0.1
- 7.0.1
- 7.0.1
- ≥ 6.3 · ≤ 6.3.18
- ≥ 7.0 · ≤ 7.0.1.3
- ≥ 6.3 · ≤ 6.3.14
- ≥ 7.0 · ≤ 7.0.1.2
- 6.2
- 6.2
- ≥ 5.2 · ≤ 6.3
- 6.2
- 6.2
- 6.2
- 6.2
- ≥ 5.0 · ≤ 5.1.2
Configuration 12
- ≥ 6.2 · ≤ 6.3
- ≥ 7.0 · ≤ 7.1
Running on/with
- n/a
Configuration 13
- ≥ 6.3 · ≤ 6.4.0
Running on/with
- n/a
No data.
Red Hat Enterprise Linux 5
nss-0:3.21.3-2.el5_11
Fixed · RHSA-2016:2779
Red Hat Enterprise Linux 6
nss-0:3.21.3-2.el6_8
Fixed · RHSA-2016:2779
Red Hat Enterprise Linux 6
nss-util-0:3.21.3-1.el6_8
Fixed · RHSA-2016:2779
Red Hat Enterprise Linux 7
nss-0:3.21.3-2.el7_3
Fixed · RHSA-2016:2779
Red Hat Enterprise Linux 7
nss-util-0:3.21.3-1.1.el7_3
Fixed · RHSA-2016:2779
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | nss-0:3.21.3-2.el5_11 | Fixed | RHSA-2016:2779 |
| Red Hat Enterprise Linux 6 | nss-0:3.21.3-2.el6_8 | Fixed | RHSA-2016:2779 |
| Red Hat Enterprise Linux 6 | nss-util-0:3.21.3-1.el6_8 | Fixed | RHSA-2016:2779 |
| Red Hat Enterprise Linux 7 | nss-0:3.21.3-2.el7_3 | Fixed | RHSA-2016:2779 |
| Red Hat Enterprise Linux 7 | nss-util-0:3.21.3-1.1.el7_3 | Fixed | RHSA-2016:2779 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/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 | 2.28% (0.02279) | 82.51th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.62% (0.02624) | 83.43th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.65% (0.00646) | 68.28th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.09% (0.02093) | 73.37th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.70% (0.00701) | 70.34th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.30% (0.02298) | 90.08th | v3 (v2023.03.01) |
| Mar 28, 2024 | 2.51% (0.02514) | 89.90th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.79% (0.01788) | 86.15th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.54% (0.01537) | 74.52th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.54% (0.01537) | 74.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.54% (0.01537) | 72.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.54% (0.01537) | 51.33th | v2 (v2022.01.01) |
References (13)
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00011.html x_refsource_MISC
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00037.html x_refsource_MISC
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00049.html x_refsource_MISCMailing ListThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2779.html x_refsource_MISC
- http://www.securityfocus.com/bid/94349 x_refsource_MISC
- http://www.ubuntu.com/usn/USN-3163-1 x_refsource_MISC
- https://access.redhat.com/security/cve/CVE-2016-5285 Vendor Advisory
- https://bto.bluecoat.com/security-advisory/sa137 x_refsource_MISC
- https://bugzilla.mozilla.org/show_bug.cgi?id=1306103 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=1383883 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2016-5285
- https://security.gentoo.org/glsa/201701-46 x_refsource_MISC
- https://www.cve.org/CVERecord?id=CVE-2016-5285
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00011.html | x_refsource_MISC | |
| http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00037.html | x_refsource_MISC | |
| http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00049.html | x_refsource_MISCMailing ListThird Party Advisory | |
| http://rhn.redhat.com/errata/RHSA-2016-2779.html | x_refsource_MISC | |
| http://www.securityfocus.com/bid/94349 | x_refsource_MISC | |
| http://www.ubuntu.com/usn/USN-3163-1 | x_refsource_MISC | |
| https://access.redhat.com/security/cve/CVE-2016-5285 | Vendor Advisory | |
| https://bto.bluecoat.com/security-advisory/sa137 | x_refsource_MISC | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1306103 | x_refsource_CONFIRM | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1383883 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-5285 | ||
| https://security.gentoo.org/glsa/201701-46 | x_refsource_MISC | |
| https://www.cve.org/CVERecord?id=CVE-2016-5285 |
Change history (0)
No recorded changes yet.