CVE-2016-5423
PostgreSQL before 9.1.23, 9.2.x before 9.2.18, 9.3.x before 9.3.14, 9.4.x before 9.4.9, and 9.5.x before 9.5.4 allow remote authenticated…
- 8.3HighCVSS base score
- 6.0%Exploitation in 30 daysEPSS · top 6.7% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
PostgreSQL before 9.1.23, 9.2.x before 9.2.18, 9.3.x before 9.3.14, 9.4.x before 9.4.9, and 9.5.x before 9.5.4 allow remote authenticated users to cause a denial of service (NULL pointer dereference and server crash), obtain sensitive memory information, or possibly execute arbitrary code via (1) a CASE expression within the test value subexpression of another CASE or (2) inlining of an SQL function that implements the equality operator used for a CASE expression involving values of different types.
Timeline
ID reserved
By redhat
- 6 months later
· 6 months later
Published
- 8 years later
· 8 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 | 3.0 | High8.3 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H |
- EPSS (exploitation in 30 days)
- 6.0% · top 6.7% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.3.
Affected products
n/a
- affected n/a
References
16
- RHSA-2016:1781 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://www.postgresql.org/docs/current/static/release-9-4-9.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1036617 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- RHSA-2016:1821 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- DSA-3646 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 92433 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- GLSA-201701-33 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- RHSA-2017:2425 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://www.postgresql.org/docs/current/static/release-9-5-4.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.postgresql.org/docs/current/static/release-9-3-14.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.postgresql.org/about/news/1688/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.postgresql.org/docs/current/static/release-9-2-18.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2016:2606 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2016:1820 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://www.postgresql.org/docs/current/static/release-9-1-23.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1364001 (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)
- EUVD EUVD-2016-6368 (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-2016-5423)Record last updated .