{"id":"DEBIAN-CVE-2026-73515","details":"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.","modified":"2026-09-25T09:00:20.913449400Z","published":"2026-08-13T16:19:05.333Z","upstream":["CVE-2026-73515"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-73515"}],"affected":[{"package":{"name":"postgis","ecosystem":"Debian:12","purl":"pkg:deb/debian/postgis?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.2+dfsg-1","3.3.3+dfsg-1","3.3.3+dfsg-1~exp1","3.3.3+dfsg-2","3.3.3+dfsg-3","3.3.3+dfsg-4","3.3.3+dfsg-5","3.3.4+dfsg-1","3.4.0+dfsg-1","3.4.0+dfsg-2","3.4.0+dfsg-2~exp1","3.4.0+dfsg-3","3.4.0+dfsg-4","3.4.0~beta1+dfsg-1~exp1","3.4.0~beta1+dfsg-1~exp2","3.4.0~beta1+dfsg-1~exp3","3.4.0~beta1+dfsg-1~exp4","3.4.0~beta1+dfsg-1~exp5","3.4.0~beta1+dfsg-1~exp6","3.4.0~beta1+dfsg-1~exp7","3.4.0~beta2+dfsg-1~exp1","3.4.0~rc1+dfsg-1~exp1","3.4.0~rc2+dfsg-1~exp1","3.4.0~rc2+dfsg-1~exp2","3.4.0~rc3+dfsg-1~exp1","3.4.0~rc4+dfsg-1~exp1","3.4.1+dfsg-1","3.4.1+dfsg-1~exp1","3.4.2+dfsg-1","3.4.2+dfsg-2","3.4.3+dfsg-1","3.4.3+dfsg-2","3.4.3+dfsg-2~exp1","3.5.0+dfsg-1","3.5.0~alpha1+dfsg-1~exp1","3.5.0~alpha2+dfsg-1~exp1","3.5.0~alpha2+dfsg-1~exp2","3.5.0~alpha2+dfsg-1~exp3","3.5.0~beta1+dfsg-1~exp1","3.5.0~beta1+dfsg-1~exp2","3.5.0~beta1+dfsg-1~exp3","3.5.0~beta1+dfsg-1~exp4","3.5.0~rc1+dfsg-1~exp1","3.5.1+dfsg-1","3.5.2+dfsg-1","3.5.3+dfsg-1","3.5.3+dfsg-1~exp1","3.5.3+dfsg-2","3.6.0+dfsg-1","3.6.0+dfsg-2","3.6.0+dfsg-3","3.6.0~alpha1+dfsg-1~exp1","3.6.0~beta1+dfsg-1~exp1","3.6.0~rc1+dfsg-1~exp1","3.6.0~rc2+dfsg-1~exp1","3.6.1+dfsg-1","3.6.1+dfsg-1~exp1","3.6.2+dfsg-1","3.6.3+dfsg-1","3.6.4+dfsg-1","3.6.4+dfsg-2","3.7.0~alpha1+dfsg-1~exp1","3.7.0~alpha1+dfsg-1~exp2","3.7.0~beta1+dfsg-1~exp1","3.7.0~beta2+dfsg-1~exp1","3.7.0~rc1+dfsg-1~exp1","3.7.0~rc2+dfsg-1~exp1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-73515.json"}},{"package":{"name":"postgis","ecosystem":"Debian:13","purl":"pkg:deb/debian/postgis?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.5.2+dfsg-1","3.5.3+dfsg-1","3.5.3+dfsg-1~exp1","3.5.3+dfsg-2","3.6.0+dfsg-1","3.6.0+dfsg-2","3.6.0+dfsg-3","3.6.0~alpha1+dfsg-1~exp1","3.6.0~beta1+dfsg-1~exp1","3.6.0~rc1+dfsg-1~exp1","3.6.0~rc2+dfsg-1~exp1","3.6.1+dfsg-1","3.6.1+dfsg-1~exp1","3.6.2+dfsg-1","3.6.3+dfsg-1","3.6.4+dfsg-1","3.6.4+dfsg-2","3.7.0~alpha1+dfsg-1~exp1","3.7.0~alpha1+dfsg-1~exp2","3.7.0~beta1+dfsg-1~exp1","3.7.0~beta2+dfsg-1~exp1","3.7.0~rc1+dfsg-1~exp1","3.7.0~rc2+dfsg-1~exp1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-73515.json"}},{"package":{"name":"postgis","ecosystem":"Debian:14","purl":"pkg:deb/debian/postgis?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.5.2+dfsg-1","3.5.3+dfsg-1","3.5.3+dfsg-1~exp1","3.5.3+dfsg-2","3.6.0+dfsg-1","3.6.0+dfsg-2","3.6.0+dfsg-3","3.6.0~alpha1+dfsg-1~exp1","3.6.0~beta1+dfsg-1~exp1","3.6.0~rc1+dfsg-1~exp1","3.6.0~rc2+dfsg-1~exp1","3.6.1+dfsg-1","3.6.1+dfsg-1~exp1","3.6.2+dfsg-1","3.6.3+dfsg-1","3.6.4+dfsg-1","3.6.4+dfsg-2","3.7.0~alpha1+dfsg-1~exp1","3.7.0~alpha1+dfsg-1~exp2","3.7.0~beta1+dfsg-1~exp1","3.7.0~beta2+dfsg-1~exp1","3.7.0~rc1+dfsg-1~exp1","3.7.0~rc2+dfsg-1~exp1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-73515.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"}]}