postgresql: lo_put() function ignores ACLs
Published Aug 16, 2017
7.5
HIGHCVSS 3.1
EPSS 3.52%
Description
PostgreSQL versions before 9.4.13, 9.5.8 and 9.6.4 are vulnerable to authorization flaw allowing remote authenticated attackers with no privileges on a large object to overwrite the entire contents of the object, resulting in a denial of service.
Affected products
-
- Version 9.4.x before 9.4.13StatusaffectedConstraints-
- Version 9.5.x before 9.5.8StatusaffectedConstraints-
- Version 9.6.x before 9.6.4StatusaffectedConstraints-
- 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 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PostgreSQL | PostgreSQL | n/a |
|
Configuration 1
- ≥ 9.4 · < 9.4.13
- ≥ 9.5 · < 9.5.8
- ≥ 9.6 · < 9.6.4
Configuration 2
- 8.0
- 9.0
No data.
Red Hat Software Collections for Red Hat Enterprise Linux 6
rh-postgresql94-postgresql-0:9.4.14-1.el6
Fixed · RHSA-2017:2678
Red Hat Software Collections for Red Hat Enterprise Linux 6
rh-postgresql95-postgresql-0:9.5.9-1.el6
Fixed · RHSA-2017:2677
Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS
rh-postgresql94-postgresql-0:9.4.14-1.el6
Fixed · RHSA-2017:2678
Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS
rh-postgresql95-postgresql-0:9.5.9-1.el6
Fixed · RHSA-2017:2677
Red Hat Software Collections for Red Hat Enterprise Linux 7
rh-postgresql94-postgresql-0:9.4.14-1.el7
Fixed · RHSA-2017:2678
Red Hat Software Collections for Red Hat Enterprise Linux 7
rh-postgresql95-postgresql-0:9.5.9-1.el7
Fixed · RHSA-2017:2677
Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS
rh-postgresql94-postgresql-0:9.4.14-1.el7
Fixed · RHSA-2017:2678
Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS
rh-postgresql95-postgresql-0:9.5.9-1.el7
Fixed · RHSA-2017:2677
CloudForms Management Engine 5
rh-postgresql94-postgresql
Not affected
CloudForms Management Engine 5
rh-postgresql95-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
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux 6 | rh-postgresql94-postgresql-0:9.4.14-1.el6 | Fixed | RHSA-2017:2678 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6 | rh-postgresql95-postgresql-0:9.5.9-1.el6 | Fixed | RHSA-2017:2677 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS | rh-postgresql94-postgresql-0:9.4.14-1.el6 | Fixed | RHSA-2017:2678 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS | rh-postgresql95-postgresql-0:9.5.9-1.el6 | Fixed | RHSA-2017:2677 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7 | rh-postgresql94-postgresql-0:9.4.14-1.el7 | Fixed | RHSA-2017:2678 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7 | rh-postgresql95-postgresql-0:9.5.9-1.el7 | Fixed | RHSA-2017:2677 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS | rh-postgresql94-postgresql-0:9.4.14-1.el7 | Fixed | RHSA-2017:2678 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS | rh-postgresql95-postgresql-0:9.5.9-1.el7 | Fixed | RHSA-2017:2677 |
| CloudForms Management Engine 5 | rh-postgresql94-postgresql | Not affected | n/a |
| CloudForms Management Engine 5 | rh-postgresql95-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 |
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:H/A:N
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
AV:N/AC:L/Au:S/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
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.52% (0.03517) | 88.83th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.52% (0.03517) | 87.67th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.69% (0.00686) | 70.02th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.78% (0.01780) | 88.55th | v3 (v2023.03.01) |
| Jul 13, 2024 | 1.34% (0.01343) | 86.24th | v3 (v2023.03.01) |
| May 31, 2024 | 1.26% (0.01262) | 85.62th | v3 (v2023.03.01) |
| Mar 13, 2024 | 1.13% (0.01128) | 84.29th | v3 (v2023.03.01) |
| Nov 20, 2023 | 0.82% (0.00816) | 79.86th | v3 (v2023.03.01) |
| Oct 12, 2023 | 1.63% (0.01629) | 86.06th | v3 (v2023.03.01) |
| Sep 3, 2023 | 1.45% (0.01451) | 85.03th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.97% (0.00971) | 81.02th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.41% (0.01408) | 72.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.41% (0.01408) | 49.94th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.90% (0.02895) | 63.70th | v5 (v2026.06.15) |
| Apr 14, 2021 | 2.90% (0.02895) | 0.00th | v1 |
References (12)
- http://www.debian.org/security/2017/dsa-3935 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.debian.org/security/2017/dsa-3936 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.securityfocus.com/bid/100276 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039142 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:2677 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2678 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2017-7548 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1477187 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2017-7548
- https://security.gentoo.org/glsa/201710-06 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2017-7548
- https://www.postgresql.org/about/news/1772/ x_refsource_CONFIRMVendor Advisory
Change history (0)
No recorded changes yet.