CVE-2017-7546
Criticalpostgresql-9.1 - security update
Published Aug 16, 2017 · Updated Jun 15, 2026 · Also known as ALPINE-CVE-2017-7546, DEBIAN-CVE-2017-7548, DSA-3935-1, DSA-3936-1, SUSE-SU-2017:2236-1, SUSE-SU-2017:2258-1, SUSE-SU-2017:2355-1, SUSE-SU-2017:2356-1, UBUNTU-CVE-2017-7546, USN-3390-1
Key Facts
Patch immediately- CVE-2017-7546 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Postgresql, Debian Linux, postgresql14 (alpine) and 22 more products.
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 62% probability of exploitation in the next 30 days.
- Fixed versions are available, including libecpg6 9.4.13-0.23.5.1, libecpg6 9.6.4-3.6.1, libecpg6 9.6.4-6.1.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
62%
Higher than 99.1% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
Get the full CVE-2017-7546 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
PostgreSQL versions before 9.2.22, 9.3.18, 9.4.13, 9.5.8 and 9.6.4 are vulnerable to incorrect authentication flaw allowing remote attackers to gain access to database accounts with an empty password.
Affected Products
464 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| PostgresqlPostgresql | 9.2, 9.2.1, 9.2.10, 9.2.11, 9.2.12, 9.2.13, 9.2.14, 9.2.15 | 9.6.4-1 |
| Debian LinuxDebian | 9.0 | n/a |
| postgresql14alpine | See advisory | 9.6.4-r0 |
| postgresql15alpine | See advisory | 9.6.4-r0 |
| postgresql-9.1debian | See advisory | 9.1.24lts2-0+deb7u1 |
Patched Releases
libecpg6
9.4.13-0.23.5.1, 9.6.4-3.6.1, 9.6.4-6.1
libecpg6-32bit
9.6.4-6.1
libpq5
9.4.13-0.23.5.1, 9.6.4-3.6.1, 9.6.4-6.1
libpq5-32bit
9.4.13-0.23.5.1, 9.6.4-3.6.1, 9.6.4-6.1
Postgresql
0:8.4.20-8.el6_9, 0:9.2.23-1.el7_4, 8.4.20-8.el6_9, 9.2.23-1.el7_4, 9.4.13-r0, 9.5.8-r0, 9.6.4-1, 9.6.4-r0
postgresql-9.1
9.1.24lts2-0+deb7u1
postgresql-9.3
9.3.18-0ubuntu0.14.04.1
postgresql-9.4
9.4.13-0+deb8u1
postgresql-9.5
9.5.8-0ubuntu0.16.04.1
postgresql-9.6
9.6.4-0+deb9u1
postgresql-contrib
8.4.20-8.el6_9, 9.2.23-1.el7_4
postgresql-devel
8.4.20-8.el6_9, 9.2.23-1.el7_4
postgresql-docs
8.4.20-8.el6_9, 9.2.23-1.el7_4
postgresql-libs
8.4.20-8.el6_9, 9.2.23-1.el7_4
postgresql-plperl
8.4.20-8.el6_9, 9.2.23-1.el7_4
postgresql-plpython
8.4.20-8.el6_9, 9.2.23-1.el7_4
postgresql-pltcl
8.4.20-8.el6_9, 9.2.23-1.el7_4
postgresql-server
8.4.20-8.el6_9, 9.2.23-1.el7_4
postgresql-static
9.2.23-1.el7_4
postgresql-test
8.4.20-8.el6_9, 9.2.23-1.el7_4
postgresql-upgrade
9.2.23-1.el7_4
postgresql14
9.6.4-r0
postgresql15
9.6.4-r0
postgresql92
9.2.22-1.61.amzn1
postgresql92-contrib
9.2.22-1.61.amzn1
Timeline
Publicly disclosed
Aug 16, 2017
Last updated
Jun 15, 2026
Weakness Type
- CWE-287 Improper Authentication
References
- advisoryRHSA-2017:2677
- advisoryRHSA-2017:2678
- advisoryRHSA-2017:2728
- advisoryRHSA-2017:2860
- advisoryhttps://bugzilla.suse.com/1051684
FAQ
Common Questions.
PostgreSQL versions before 9.2.22, 9.3.18, 9.4.13, 9.5.8 and 9.6.4 are vulnerable to incorrect authentication flaw allowing remote attackers to gain access to database accounts with an empty password.
Affected: Postgresql versions 9.2, 9.2.1, 9.2.10, 9.2.11, 9.2.12, 9.2.13, 9.2.14, 9.2.15; Debian Linux versions 9.0; postgresql14 (alpine), among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including libecpg6 9.4.13-0.23.5.1, libecpg6 9.6.4-3.6.1, libecpg6 9.6.4-6.1.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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