What’s Vulnerable › Vulnerabilities

CVE-2015-0241

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-01-27 · updated 2026-06-17
• Weakness: CWE-120

Description

The to_char function in PostgreSQL before 9.0.19, 9.1.x before 9.1.15, 9.2.x before 9.2.10, 9.3.x before 9.3.6, and 9.4.x before 9.4.1 allows remote authenticated users to cause a denial of service (crash) or possibly execute arbitrary code via a (1) large number of digits when processing a numeric formatting template, which triggers a buffer over-read, or (2) crafted timestamp formatting template, which triggers a buffer overflow.

Affected products

• Debian Linux: 7.0, 8.0
• PostgreSQL: before 9.0.19; from 9.1.0 before 9.1.15; from 9.2.0 before 9.2.10; from 9.3.0 before 9.3.6; from 9.4.0 before 9.4.1 — fixed in 9.0.19, 9.1.15, 9.2.10, 9.3.6, 9.4.1

How to fix

Upgrade to a fixed version: PostgreSQL 9.0.19, 9.1.15, 9.2.10, 9.3.6. Check the vendor advisory for mitigations.

References

• http://www.debian.org/security/2015/dsa-3155
• http://www.postgresql.org/about/news/1569/
• http://www.postgresql.org/docs/9.4/static/release-9-4-1.html
• http://www.postgresql.org/docs/current/static/release-9-0-19.html
• http://www.postgresql.org/docs/current/static/release-9-1-15.html
• http://www.postgresql.org/docs/current/static/release-9-2-10.html
• http://www.postgresql.org/docs/current/static/release-9-3-6.html
• http://www.debian.org/security/2015/dsa-3155
• http://www.postgresql.org/about/news/1569/
• http://www.postgresql.org/docs/9.4/static/release-9-4-1.html
• http://www.postgresql.org/docs/current/static/release-9-0-19.html
• http://www.postgresql.org/docs/current/static/release-9-1-15.html

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