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CVE-2016-5285
A Null pointer dereference vulnerability exists in Mozilla Network Security Services due to a missing NULL check in PK11_SignWithSymKey /…
High7.5EPSS 2.3%
- Published
- Updated
- Reserved
- Assigned by
- mozilla
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.
Timeline
ID reserved
By mozilla
- 3 years later
· 3 years later
Published
- 5 years later
· 5 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 2.3% · top 17% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- denial of service
- CWE-476 (opens in a new tab)All about CWE-476 and its CVEs
Affected products
Mozilla · Network Security Services
- affected 3.24
References (9)
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00049.html (opens in a new tab)x_refsource_MISCx_transferred
- http://www.securityfocus.com/bid/94349 (opens in a new tab)x_refsource_MISCx_transferred
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00011.html (opens in a new tab)x_refsource_MISCx_transferred
- https://security.gentoo.org/glsa/201701-46 (opens in a new tab)x_refsource_MISCx_transferred
- http://rhn.redhat.com/errata/RHSA-2016-2779.html (opens in a new tab)x_refsource_MISCx_transferred
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00037.html (opens in a new tab)x_refsource_MISCx_transferred
- http://www.ubuntu.com/usn/USN-3163-1 (opens in a new tab)x_refsource_MISCx_transferred
- https://bto.bluecoat.com/security-advisory/sa137 (opens in a new tab)x_refsource_MISCx_transferred
- https://bugzilla.mozilla.org/show_bug.cgi?id=1306103 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2016-5285)Record last updated .