postgresql: row security policies in prepared statements disregard user ID changes
Published Apr 11, 2016
7.5
HIGHCVSS 3.0
EPSS 1.81%
Description
PostgreSQL before 9.5.x before 9.5.2 does not properly maintain row-security status in cached plans, which might allow attackers to bypass intended access restrictions by leveraging a session that performs queries as more than one role.
Affected products
No data.
- 9.5
- 9.5.1
No data.
CloudForms Management Engine 5
postgresql
Not affected
CloudForms Management Engine 5
postgresql92-postgresql
Not affected
Red Hat Enterprise Linux 5
postgresql
Not affected
Red Hat Enterprise Linux 5
postgresql84
Not affected
Red Hat Enterprise Linux 6
postgresql
Not affected
Red Hat Enterprise Linux 7
postgresql
Not affected
Red Hat Satellite 5
postgresql92-postgresql
Not affected
Red Hat Software Collections
postgresql92-postgresql
Not affected
Red Hat Software Collections
rh-postgresql94-postgresql
Not affected
Red Hat Software Collections
rh-postgresql95-postgresql
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| CloudForms Management Engine 5 | postgresql | Not affected | n/a |
| CloudForms Management Engine 5 | postgresql92-postgresql | Not affected | n/a |
| Red Hat Enterprise Linux 5 | postgresql | Not affected | n/a |
| Red Hat Enterprise Linux 5 | postgresql84 | Not affected | n/a |
| Red Hat Enterprise Linux 6 | postgresql | Not affected | n/a |
| Red Hat Enterprise Linux 7 | postgresql | Not affected | n/a |
| Red Hat Satellite 5 | postgresql92-postgresql | Not affected | n/a |
| Red Hat Software Collections | postgresql92-postgresql | Not affected | n/a |
| Red Hat Software Collections | rh-postgresql94-postgresql | Not affected | n/a |
| Red Hat Software Collections | rh-postgresql95-postgresql | Not affected | n/a |
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:N/I:H/A:N
AV:N/AC:L/Au:N/C:N/I:P/A:N
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 | 1.81% (0.01807) | 77.79th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.81% (0.01807) | 75.67th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.13% (0.01128) | 76.35th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.45% (0.02451) | 75.30th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.13% (0.01128) | 76.82th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.24% (0.00237) | 62.65th | v3 (v2023.03.01) |
| Jun 18, 2024 | 0.24% (0.00237) | 61.94th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.24% (0.00237) | 59.94th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
References (8)
- http://git.postgresql.org/gitweb/?p=postgresql.git%3Ba=commitdiff%3Bh=db69e58a0642ef7fa46d62f6c4cf2460c3a1b41b x_refsource_CONFIRM
- http://www.postgresql.org/about/news/1656/ x_refsource_CONFIRMPatchVendor Advisory
- http://www.postgresql.org/docs/current/static/release-9-5-2.html x_refsource_CONFIRMVendor Advisory
- http://www.securitytracker.com/id/1035468 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2016-2193 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1319806 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2016-2193
- https://www.cve.org/CVERecord?id=CVE-2016-2193
| Link | Providers | Tags |
|---|---|---|
| http://git.postgresql.org/gitweb/?p=postgresql.git%3Ba=commitdiff%3Bh=db69e58a0642ef7fa46d62f6c4cf2460c3a1b41b | x_refsource_CONFIRM | |
| http://www.postgresql.org/about/news/1656/ | x_refsource_CONFIRMPatchVendor Advisory | |
| http://www.postgresql.org/docs/current/static/release-9-5-2.html | x_refsource_CONFIRMVendor Advisory | |
| http://www.securitytracker.com/id/1035468 | vdb-entryx_refsource_SECTRACK | |
| https://access.redhat.com/security/cve/CVE-2016-2193 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1319806 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-2193 | ||
| https://www.cve.org/CVERecord?id=CVE-2016-2193 |
Change history (0)
No recorded changes yet.