# CVE-2026-90775

## Summary

- **CVE ID:** CVE-2026-90775
- **Severity:** HIGH
- **CVSS Score:** 7.1 (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)
- **CWE:** CWE-125
- **Published:** Sep 13, 2026
- **Last Modified:** Sep 13, 2026

## Description

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.

## Affected Products

- PostGIS — address_standardizer (0)

## References

- [CNA](https://github.com/postgis/address_standardizer/blob/v3.7.0/src/gamma.c#L301-L311)
- [CNA](https://github.com/postgis/address_standardizer/blob/v3.7.0/src/analyze.c#L860)
- [CNA](https://github.com/postgis/address_standardizer/blob/e987949e0fccff6a0e7a6d3f86814d5c7a01f481/NEWS.md)
- [CNA](https://github.com/postgis/address_standardizer/pull/6)
- [CNA](https://github.com/postgis/address_standardizer/commit/a5cb4b1360a040973092f13b1af97a718e7e104a)
- [CNA](https://github.com/postgis/address_standardizer/commit/e987949e0fccff6a0e7a6d3f86814d5c7a01f481)
- [CNA](https://github.com/postgis/address_standardizer)
- [CNA](https://www.vulncheck.com/advisories/postgis-address-standardizer-through-3.7.0-out-of-bounds-read-via-unvalidated-rule-weight)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.34%
- **EPSS Percentile:** 27.8

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._