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Fencer Vulns
high 8.0

CVE-2018-16850 json

postgresql before versions 11.1, 10.6 is vulnerable to a to SQL injection in pg_upgrade and pg_dump via CREATE TRIGGER ... REFERENCING.

published 2018-11-13 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-8644

cvss
8.0
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
5.1%
EPSS 5.1% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

postgresql before versions 11.1, 10.6 is vulnerable to a to SQL injection in pg_upgrade and pg_dump via CREATE TRIGGER ... REFERENCING. Using a purpose-crafted trigger definition, an attacker can cause arbitrary SQL statements to run, with superuser privileges.

Patch / fix

  • postgresql postgresql 10.6, 11.1
  • postgresql-10 Ubuntu 18.04 LTS 10.6-0ubuntu0.18.04.1

ubuntu advisories UBUNTU-CVE-2018-16850

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

  • rh-postgresql10-postgresql RHEL 3 SOFTWARE_COLLECTIONS 10.6-1.el7
  • rh-postgresql10-postgresql-libs RHEL 3 SOFTWARE_COLLECTIONS 10.6-1.el7
  • rh-postgresql10-postgresql-test RHEL 3 SOFTWARE_COLLECTIONS 10.6-1.el7
  • rh-postgresql10-postgresql-pltcl RHEL 3 SOFTWARE_COLLECTIONS 10.6-1.el7
  • rh-postgresql10-postgresql-plperl RHEL 3 SOFTWARE_COLLECTIONS 10.6-1.el7
  • rh-postgresql10-postgresql-server RHEL 3 SOFTWARE_COLLECTIONS 10.6-1.el7
  • rh-postgresql10-postgresql-contrib RHEL 3 SOFTWARE_COLLECTIONS 10.6-1.el7
  • rh-postgresql10-postgresql-plpython RHEL 3 SOFTWARE_COLLECTIONS 10.6-1.el7

red hat advisories RHSA-2018:3757

  • postgresql10 SLES 12 SP4, SLES 12 SP3, SLED 12 SP4 +3 more 10.6-1.6.1
  • postgresql10-libs SLES 12 SP4, SLES 12 SP3, SLED 12 SP4 +5 more 10.6-1.6.1
  • postgresql10 SLE Module for Server Applications 15, SLE Module for Package Hub 15, SLE Module for Basesystem 15 10.6-4.8.1

suse advisories SUSE-SU-2018:3770-2SUSE-SU-2018:3942-1SUSE-SU-2018:3770-1

  • postgresql10 openSUSE Tumbleweed 10.18-1.3
  • postgresql11 openSUSE Tumbleweed 11.13-1.3

opensuse advisories openSUSE-SU-2024:11184-1openSUSE-SU-2024:11185-1

  • postgresql Alpine 3.14, Alpine 3.13, Alpine 3.12 +3 more 11.1-r0
  • postgresql14 Alpine 3.20, Alpine 3.19, Alpine 3.18 +3 more 11.1-r0
  • postgresql15 Alpine 3.20, Alpine 3.19, Alpine 3.18 +1 more 11.1-r0

alpine advisories ALPINE-CVE-2018-16850

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

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-2018-16850 updated cvss 8.0

postgresql: SQL injection in pg_upgrade and pg_dump, via CREATE TRIGGER ... REFERENCING

  • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-postgresql10-postgresql 10.6-1.el7, rh-postgresql10-postgresql-libs 10.6-1.el7, rh-postgresql10-postgresql-test 10.6-1.el7, rh-postgresql10-postgresql-pltcl 10.6-1.el7, rh-postgresql10-postgresql-plperl 10.6-1.el7, rh-postgresql10-postgresql-server 10.6-1.el7, +5 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4) rh-postgresql10-postgresql 10.6-1.el7, rh-postgresql10-postgresql-libs 10.6-1.el7, rh-postgresql10-postgresql-test 10.6-1.el7, rh-postgresql10-postgresql-pltcl 10.6-1.el7, rh-postgresql10-postgresql-plperl 10.6-1.el7, rh-postgresql10-postgresql-server 10.6-1.el7, +5 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5) rh-postgresql10-postgresql 10.6-1.el7, rh-postgresql10-postgresql-libs 10.6-1.el7, rh-postgresql10-postgresql-test 10.6-1.el7, rh-postgresql10-postgresql-pltcl 10.6-1.el7, rh-postgresql10-postgresql-plperl 10.6-1.el7, rh-postgresql10-postgresql-server 10.6-1.el7, +5 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) rh-postgresql10-postgresql 10.6-1.el7, rh-postgresql10-postgresql-libs 10.6-1.el7, rh-postgresql10-postgresql-test 10.6-1.el7, rh-postgresql10-postgresql-pltcl 10.6-1.el7, rh-postgresql10-postgresql-plperl 10.6-1.el7, rh-postgresql10-postgresql-server 10.6-1.el7, +5 more Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-postgresql10-postgresql 10.6-1.el7, rh-postgresql10-postgresql-libs 10.6-1.el7, rh-postgresql10-postgresql-test 10.6-1.el7, rh-postgresql10-postgresql-pltcl 10.6-1.el7, rh-postgresql10-postgresql-plperl 10.6-1.el7, rh-postgresql10-postgresql-server 10.6-1.el7, +5 more
    fixed: vendor fix RHSA-2018:3757
  • Red Hat CloudForms Management Engine 5 postgresql96, postgresql96-libs, postgresql96-test, postgresql96-pltcl, postgresql96-plperl, postgresql96-server, +2 more Red Hat Ansible Tower 3 postgresql96-libs Red Hat Enterprise Linux 5 postgresql Red Hat Enterprise Linux 6 postgresql, postgresql-libs, postgresql-test, postgresql-pltcl, postgresql-plperl, postgresql-server, +2 more Red Hat Enterprise Linux 7 postgresql, postgresql-libs, postgresql-test, postgresql-pltcl, postgresql-plperl, postgresql-server, +3 more Red Hat Enterprise Linux 8 libpq, pgaudit, pg_repack, postgresql, postgresql-test, postgresql-pltcl, +8 more
    +3 more products
    Red Hat Satellite 5 rh-postgresql95-postgresql Red Hat Software Collections rh-postgresql95-postgresql, rh-postgresql96-postgresql, rh-postgresql95-postgresql-libs, rh-postgresql95-postgresql-test, rh-postgresql96-postgresql-libs, rh-postgresql96-postgresql-test, +13 more Red Hat Virtualization 4 postgresql, rh-postgresql95-postgresql, rh-postgresql95-postgresql-libs, rh-postgresql95-postgresql-test, rh-postgresql95-postgresql-pltcl, rh-postgresql95-postgresql-plperl, +3 more
    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

5.15% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 8.0 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • The PostgreSQL Project postgresql

Classification

Weakness
  • CWE-89 Improper Neutralization of Special Elements used in an SQL Command
Technology feeds

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.