[UPDATE] [medium] PostgreSQL: Multiple vulnerabilities enable denial of service

An attacker can exploit multiple vulnerabilities in PostgreSQL to conduct a denial of service attack.

CSIRTS triage

What: Multiple vulnerabilities in PostgreSQL enable denial of service attacks.
Who is affected: PostgreSQL database deployments with these versions are affected.
Urgency: Medium priority; denial of service can disrupt availability but does not enable data breach.
Action: Update PostgreSQL to a patched version addressing CVE-2025-12817 and CVE-2025-12818.

AI-assisted analysis generated from the source advisory — verify against the original.

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EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2025-128170.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 13% of all EPSS-scored CVEs.
Low exploitation riskCVE-2025-128180.34% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 26% of all EPSS-scored CVEs.

CVE	CSIRTS overview	External
CVE-2025-12817	coverage & exploitation status	NVD · CVE.org
CVE-2025-12818	coverage & exploitation status	NVD · CVE.org

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