CVE-2023-39417
Guillaume Winter discovered that pgextwlist, an extension for PostgreSQL implementing a whitelist mechanism for PostgreSQL extensions, was susceptible to SQL injection via crafted schema and user names. https://security-tracker.debian.org/tracker/DSA-6385-1
CSIRTS triage
- What
- pgextwlist is susceptible to SQL injection via crafted schema and user names.
- Who is affected
- Deployments of pgextwlist are affected.
- Urgency
- Remediation is urgent due to the potential for exploitation and the nature of the vulnerability.
- Action
- Update pgextwlist to the latest version.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Moderate exploitation risk1.6% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 72% of all EPSS-scored CVEs.
Advisory coverage (3)
- medium[UPDATE] [medium] PostgreSQL: Multiple vulnerabilitiescert-bund · 2026-07-09
- unknownDSA-6385-1 pgextwlist - security updatedebian · 2026-07-08
- criticalGitLab Security Release: 16.6.1, 16.5.3, 16.4.3gitlab · 2023-11-30
External references
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[](https://www.csirts.com/cve/CVE-2023-39417)