UpHeron
All vulnerabilities

Servers and applications

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.

Severity
Medium 4.3
Published
14 May 2026
Last changed
17 Jun 2026
Added to UpHeron
16 Oct 2026
Fixed in
14.23, 15.18, 16.14, 17.10, 18.4
Sources
NVD

Affected software

SoftwareAffected versions
PostgreSQLServers and applications · cpe:a:postgresql:postgresql
  • Every version before 14.23
  • From 15.0 before 15.18
  • From 16.0 before 16.14
  • From 17.0 before 17.10
  • From 18.0 before 18.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-6474
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-6474