[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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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-2600
Exploitation outlook
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.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2025-12817 | coverage & exploitation status | NVD · CVE.org |
| CVE-2025-12818 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
Recent advisories for PostgreSQL
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- high[UPDATE] [high] PostgreSQL: Multiple vulnerabilitiescert-bund · 2026-09-04
- highCVE-2026-85388: Worklenz through 3.0.0 fails to properly validate the sort-field query parameter in pagination…nvd · 2026-09-03
- high[UPDATE] [high] PostgreSQL: Multiple vulnerabilitiescert-bund · 2026-09-02
- medium[NEW] [medium] PostgreSQL JDBC Driver: Vulnerability allows bypassing security measurescert-bund · 2026-09-01
- high[UPDATE] [high] PostgreSQL: Multiple vulnerabilitiescert-bund · 2026-09-01
- high[NEW] [high] PostgreSQL: Multiple vulnerabilitiescert-bund · 2026-08-27
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