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CVE-2026-116308

PostgreSQL dict_int reads beyond zero-length tokens

Severity
Medium 4.3
Published
12 Nov 2026
Last changed
12 Nov 2026
Added to UpHeron
13 Nov 2026
Fixed in
14.25, 15.20, 16.16, 17.12, 18.7
Exploit chance
0.3% in the next 30 daysHigher than 22% of CVEs. EPSS by FIRST, 13 Nov 2026
Weakness
CWE-126
Attack
Over the network · Needs a user account · No user action needed
Attacker can
Read some data
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Sources
CVE Program

Description

Buffer over-read in PostgreSQL dict_int allows a database user to disclose portions of server memory, via a zero-length token. Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected.

From the CVE Program.

Affected software

SoftwareAffected versions
PostgreSQLServers and applications · cna:n/a|postgresql
  • Every version before 14.25
  • From 15 before 15.20
  • From 16 before 16.16
  • From 17 before 17.12
  • From 18 before 18.7

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-116308