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Fencer Intel
high 8.2

CVE-2026-2007 json

PostgreSQL pg_trgm heap buffer overflow writes pattern onto server memory

published 2026-02-12 8 mo ago modified 2026-09-08 2 mo ago also BIT-postgresql-2026-2007 , EUVD-2026-7042

cvss
8.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 45%
public exploits
0
none known

Summary

Heap buffer overflow in PostgreSQL pg_trgm allows a database user to achieve unknown impacts via a crafted input string. The attacker has limited control over the byte patterns to be written, but we have not ruled out the viability of attacks that lead to privilege escalation. PostgreSQL 18.1 and 18.0 are affected.

Patch / fix

  • bitnami postgresql 18.2.0
  • n/a PostgreSQL 18.2
  • Red Hat Red Hat Enterprise Linux 10 0:18.3-1.el10_2
  • Red Hat Red Hat Hardened Images 18.3-1.2.hum1
  • postgresql-18 Debian 14 18.2-1

debian advisories DEBIAN-CVE-2026-2007

  • postgresql18 RHEL 10.2 18.3-1.el10_2
  • postgresql18-test RHEL 10.2 18.3-1.el10_2
  • postgresql18-plperl RHEL 10.2 18.3-1.el10_2
  • postgresql18-server RHEL 10.2 18.3-1.el10_2
  • postgresql18-contrib RHEL 10.2 18.3-1.el10_2
  • postgresql18-upgrade RHEL 10.2 18.3-1.el10_2
  • postgresql18-plpython3 RHEL 10.2 18.3-1.el10_2
  • postgresql18-private-libs RHEL 10.2 18.3-1.el10_2

red hat advisories RHSA-2026:19009RHSA-2026:8756

  • postgresql18 SLES for SAP applications 16.0, SLES 16.0 18.3-160000.1.1
  • postgresql18 SLES for SAP 15 SP6, SLES 15 SP6-LTSS, SLE Module for Server Applications 15 SP7 +3 more 18.3-150600.13.8.1
  • postgresql18 SLES for SAP 15 SP5, SLES for SAP 15 SP4, SLES 15 SP5-LTSS +5 more 18.2-150200.5.6.1
  • postgresql18 SLES LTSS Extended Security 12 SP5, SLES 12 SP5-LTSS 18.2-8.6.1

suse advisories SUSE-SU-2026:20921-1SUSE-SU-2026:0881-1SUSE-SU-2026:0585-1SUSE-SU-2026:0584-1

  • postgresql18 openSUSE Leap 16.0 18.3-160000.1.1
  • postgresql18-mini openSUSE Leap 16.0 18.3-160000.1.1
  • postgresql18 openSUSE Tumbleweed 18.2-1.1

opensuse advisories openSUSE-SU-2026:20408-1openSUSE-SU-2026:10197-1

  • postgresql18 AlmaLinux 10 18.3-1.el10_2
  • postgresql18-test AlmaLinux 10 18.3-1.el10_2
  • postgresql18-plperl AlmaLinux 10 18.3-1.el10_2
  • postgresql18-server AlmaLinux 10 18.3-1.el10_2
  • postgresql18-contrib AlmaLinux 10 18.3-1.el10_2
  • postgresql18-upgrade AlmaLinux 10 18.3-1.el10_2
  • postgresql18-plpython3 AlmaLinux 10 18.3-1.el10_2
  • postgresql18-private-libs AlmaLinux 10 18.3-1.el10_2

almalinux advisories ALSA-2026:19009

  • postgresql18 Rocky Linux 10 18.3-1.el10

rocky linux advisories RLSA-2026:19009

  • postgresql15 Alpine 3.22, Alpine 3.20 15.16-r0
  • postgresql15 Alpine 3.22, Alpine 3.21, Alpine 3.20 15.17-r0
  • postgresql16 Alpine 3.24, Alpine 3.23, Alpine 3.22 +2 more 16.12-r0
  • postgresql16 Alpine 3.24, Alpine 3.23, Alpine 3.22 +2 more 16.13-r0
  • postgresql17 Alpine 3.24, Alpine 3.23, Alpine 3.22 +1 more 17.8-r0
  • postgresql17 Alpine 3.24, Alpine 3.23, Alpine 3.22 +1 more 17.9-r0
  • postgresql18 Alpine 3.24, Alpine 3.23 18.2-r0

alpine advisories ALPINE-CVE-2026-2007

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-2026-2007 updated cvss 8.2

postgresql: PostgreSQL pg_trgm heap buffer overflow writes pattern onto server memory

  • Red Hat Enterprise Linux 9 postgresql18
    affected: workaround, no fix available
  • Red Hat Enterprise Linux AppStream (v. 10) postgresql18 18.3-1.el10_2, postgresql18-test 18.3-1.el10_2, postgresql18-plperl 18.3-1.el10_2, postgresql18-server 18.3-1.el10_2, postgresql18-contrib 18.3-1.el10_2, postgresql18-upgrade 18.3-1.el10_2, +2 more Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) postgresql18-test-rpm-macros 18.3-1.el10_2
    fixed: vendor fix RHSA-2026:19009
  • Red Hat Hardened Images postgresql18 18.3-1.2.hum1
    fixed: vendor fix RHSA-2026:8756
  • Red Hat Hardened Images postgresql 18.3-1.2.hum1, postgresql-test 18.3-1.2.hum1, postgresql-plperl 18.3-1.2.hum1, postgresql-server 18.3-1.2.hum1, postgresql-contrib 18.3-1.2.hum1, postgresql-upgrade 18.3-1.2.hum1, +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

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
8 mo ago

Exploit prediction

0.54% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
CISA ADP 3.1 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
OSV 3.1 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Affected packages

ecosystem package affected fixed in
bitnami postgresql
>=18.0.0, <18.2.0
18.2.0

Affected products

  • n/a PostgreSQL
  • Red Hat Red Hat Enterprise Linux 10
  • Red Hat Red Hat Hardened Images
  • Red Hat Red Hat Enterprise Linux 9

Classification

Weakness
  • CWE-122 Heap-based Buffer Overflow
  • CWE-120 Buffer Copy without Checking Size of Input
Technology feeds

References

Sources

Fencer Intel 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.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.