CVE-2026-6474
CVE-2026-6474 is a medium-severity vulnerability in Postgresql with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-134.
Key facts
- Severity: Medium (CVSS 3.x base score 4.3)
- EPSS exploit prediction: 0% (11th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-30280
- Weakness: CWE-134
- Affected product: Postgresql
- Published:
- Last modified:
Description
Externally-controlled format string in PostgreSQL timeofday() function allows an attacker to retrieve portions of server memory, via crafted timezone zones. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected.
Frequently asked questions
- What is CVE-2026-6474?
- Externally-controlled format string in PostgreSQL timeofday() function allows an attacker to retrieve portions of server memory, via crafted timezone zones. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected.
- How severe is CVE-2026-6474?
- CVE-2026-6474 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2026-6474 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-6474?
- CVE-2026-6474 affects Postgresql. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-6474?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-6474 have an EU (EUVD) identifier?
- Yes. CVE-2026-6474 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30280.
- When was CVE-2026-6474 published?
- CVE-2026-6474 was published on 2026-05-14 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
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