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Fencer Vulns
high 7.5

CVE-2017-18359 json

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…

published 2019-01-25 7 y ago modified 2026-06-17 4 mo ago also EUVD-2017-9478

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.0%
EPSS 3.0% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

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.

Patch / fix

  • postgis postgis 2.3.3
  • postgis Debian 14, Debian 13, Debian 12 2.3.3+dfsg-1

debian advisories DEBIAN-CVE-2017-18359

  • postgis Ubuntu 14.04 LTS 2.1.2+dfsg-2ubuntu0.2
  • postgis Ubuntu 16.04 LTS 2.2.1+dfsg-2ubuntu0.1

ubuntu advisories UBUNTU-CVE-2017-18359

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • librttopo Package Hub 15 SP4, openSUSE Leap 15.4 1.1.0-bp154.2.3.1

opensuse advisories openSUSE-SU-2022:10042-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-18359 updated cvss 6.5

postgis: denial of service via crafted ST_AsX3D function input

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.05% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • trac.osgeo.org https://trac.osgeo.org/postgis/ticket/3704 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.