CVE-2026-73515 PUBLISHED

PostGIS < 3.7.0beta2 Out-of-Bounds Read via FlatGeobuf Buffer

Assigner: VulnCheck
Reserved: 12.08.2026 Published: 13.08.2026 Updated: 13.08.2026

PostGIS before 3.7.0beta2 contains an out-of-bounds read vulnerability that allows attackers to cause memory disclosure or a server crash by supplying a malformed FlatGeobuf buffer. The FlatGeobuf property metadata decoder verifies that a string length field is present but fails to verify that the subsequent string body is contained within the supplied buffer before materializing it into a SQL-visible value, enabling memory disclosure or denial of service.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS Score: 7.2

Product Status

Vendor PostGIS
Product PostGIS
Versions Default: affected
  • affected from 0 to 3.7.0beta2 (excl.)

Credits

  • Mehmet Ince (@mdisec) finder

References

Problem Types

  • Out-of-bounds Read CWE