CVE-2017-7548

Name: CVE-2017-7548
Creator: NVD / NIST
Published: 2017-08-16T18:29:00.287+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 3.52%

Last modified Jun 17, 2026

CVE-2017-7548 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 3.52% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS Probability

3.52%

87.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-862

Affected Software

Vendor	Product	Versions
Postgresql	Postgresql	>= 9.4, < 9.4.13
Postgresql	Postgresql	>= 9.5, < 9.5.8
Postgresql	Postgresql	>= 9.6, < 9.6.4
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0

References

http://www.debian.org/security/2017/dsa-3935Third Party Advisory
http://www.debian.org/security/2017/dsa-3936Third Party Advisory
http://www.securityfocus.com/bid/100276Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039142Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:2677Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2678Third Party Advisory
https://security.gentoo.org/glsa/201710-06Third Party Advisory
https://www.postgresql.org/about/news/1772/Vendor Advisory
http://www.debian.org/security/2017/dsa-3935Third Party Advisory
http://www.debian.org/security/2017/dsa-3936Third Party Advisory
http://www.securityfocus.com/bid/100276Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039142Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:2677Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2678Third Party Advisory
https://security.gentoo.org/glsa/201710-06Third Party Advisory
https://www.postgresql.org/about/news/1772/Vendor Advisory

Timeline

Published: Aug 16, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-7548?

How severe is CVE-2017-7548?

CVE-2017-7548 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.52% probability of exploitation in the next 30 days.

How do I fix CVE-2017-7548?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-7548?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST