CVE-2026-14679

EUVD-2026-57843
Stack buffer overflow in PostgreSQL argument name matching allows an object creator to achieve unknown impacts via OUT parameter count.  The attack can write only 0x0 and 0x1 bytes.  Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.2 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Debian logo
Debian Releases
Debian Product
Codename
postgresql-13
bullseye
vulnerable
bullseye (security)
vulnerable
postgresql-15
bookworm
vulnerable
bookworm (security)
vulnerable
postgresql-17
trixie
vulnerable
trixie (security)
17.11-0+deb13u1
fixed
postgresql-18
forky
vulnerable
sid
vulnerable
Common Weakness Enumeration
References
https://www.postgresql.org/support/security/CVE-2026-14679/