What’s Vulnerable › Vulnerabilities

CVE-2017-7548

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-08-16 · updated 2026-06-17
• Weakness: CWE-862

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

• Debian Linux: 8.0, 9.0
• PostgreSQL: from 9.4 before 9.4.13; from 9.5 before 9.5.8; from 9.6 before 9.6.4 — fixed in 9.4.13, 9.5.8, 9.6.4

How to fix

Upgrade to a fixed version: PostgreSQL 9.4.13, 9.5.8, 9.6.4. Check the vendor advisory for mitigations.

References

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

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