{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-90775","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-09-13T10:54:46.826Z","datePublished":"2026-09-13T11:07:30.689Z","dateUpdated":"2026-09-18T17:23:06.091Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-09-13T11:07:30.689Z"},"datePublic":"2026-08-14T00:00:00.000Z","title":"PostGIS address_standardizer through 3.7.0 Out-of-Bounds Read via Unvalidated Rule Weight","descriptions":[{"lang":"en","value":"PostGIS address_standardizer through 3.7.0 fails to validate the Weight parameter from caller-supplied rules tables before using it as an array index. Attackers can craft malicious rule rows with out-of-range Weight values to trigger out-of-bounds reads in the load_value array, causing the PostgreSQL backend process to crash and terminate all cluster sessions."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Out-of-bounds Read","cweId":"CWE-125","type":"CWE"}]}],"affected":[{"vendor":"PostGIS","product":"address_standardizer","packageURL":"pkg:github/postgis/address_standardizer","repo":"https://github.com/postgis/address_standardizer","defaultStatus":"unaffected","versions":[{"version":"0","lessThanOrEqual":"3.7.0","status":"affected","versionType":"semver"}]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":7.1,"baseSeverity":"HIGH"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM"}}],"references":[{"url":"https://github.com/postgis/address_standardizer/blob/v3.7.0/src/gamma.c#L301-L311","tags":["technical-description"],"name":"Unvalidated Weight in rules_add_rule() at v3.7.0"},{"url":"https://github.com/postgis/address_standardizer/blob/v3.7.0/src/analyze.c#L860","tags":["technical-description"],"name":"Out-of-bounds index into __load_value__ at v3.7.0"},{"url":"https://github.com/postgis/address_standardizer/blob/e987949e0fccff6a0e7a6d3f86814d5c7a01f481/NEWS.md","tags":["vendor-advisory"],"name":"NEWS.md"},{"url":"https://github.com/postgis/address_standardizer/pull/6","tags":["issue-tracking","patch"],"name":"Pull Request #6"},{"url":"https://github.com/postgis/address_standardizer/commit/a5cb4b1360a040973092f13b1af97a718e7e104a","tags":["patch"],"name":"Fix Commit"},{"url":"https://github.com/postgis/address_standardizer/commit/e987949e0fccff6a0e7a6d3f86814d5c7a01f481","tags":["patch"],"name":"Merge Commit"},{"url":"https://github.com/postgis/address_standardizer","tags":["product"]},{"name":"VulnCheck Advisory: PostGIS address_standardizer through 3.7.0 Out-of-Bounds Read via Unvalidated Rule Weight","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/postgis-address-standardizer-through-3.7.0-out-of-bounds-read-via-unvalidated-rule-weight"}],"credits":[{"lang":"en","value":"Harsh Raj Singhania","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-90775","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-09-18T17:13:45.515625Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-18T17:23:06.091Z"}}]}}