CVE-2026-14669

highpriority · track · 10EPSS 0.007 · 51 %ileexploit · PoCDEEUFRRUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

0.66% (51st) EPSS

CVSS 8.8 · high

Is it mine?

42 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-22

Heap buffer overflow in PostgreSQL to_char(timestamptz) allows the party choosing the timezone to execute arbitrary code as the operating system user running the database, via a long POSIX timezone abbreviation. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.8highAV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 2.8 · impact 5.9

v3.18.3highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-122USCWE-122US

exploits (1)

Public proof-of-concept and weaponised exploit code.

HackSpeak/CVE-2026-14669CVE-2026-14669 - PostgreSQL to_char() timezone abbreviation heap buffer overflow PoC; for authorized security testingPoC · poc_in_github

affected products (42)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
F5 BIG-IPall versionscert_bundDEcpe:/a:f5:big-ip:-
IBM QRadar SIEMall versionscert_bundDEcpe:/a:ibm:qradar_siem:-
IBM VIOS 4.1all versionscert_bundDEcpe:/a:ibm:vios:4.1
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
RESF Rocky Linuxall versionscert_bundDEcpe:/o:resf:rocky_linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
SUSE openSUSEall versionscert_bundDEcpe:/o:suse:opensuse:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Open Source PostgreSQL< 14.24cert_bundDE
Open Source PostgreSQL< 15.19cert_bundDE
Open Source PostgreSQL< 16.15cert_bundDE
Open Source PostgreSQL< 17.11cert_bundDE
Open Source PostgreSQL< 18.6cert_bundDE
Open Source PostgreSQL< 19 Beta 3cert_bundDE
n/a PostgreSQL0 → 14.24enisa_euvdEU
n/a PostgreSQL15 → 15.19enisa_euvdEU
n/a PostgreSQL16 → 16.15enisa_euvdEU

showing 20 of 42

advisories (3)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-2844PostgreSQL: Mehrere SchwachstellenDeutsch2026-08-13csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in PostgreSQL ausnutzen, um beliebigen Programmcode auszuführen, SQL-Injection-Angriffe durchzuführen, Sicherheitsmaßnahmen zu umgehen, Daten offenzulegen oder zu manipulieren oder Denial-of-Service-Zustände herbeizuführen.
BIT-postgresql-2026-14669PostgreSQL to_char heap buffer overflow executes arbitrary code2026-08-19vendor · osvUS
Heap buffer overflow in PostgreSQL to_char(timestamptz) allows the party choosing the timezone to execute arbitrary code as the operating system user running the database, via a long POSIX timezone abbreviation. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.
CERTFR-2026-AVI-1336Multiples vulnérabilités dans les produits IBMFrançais2026-10-16vendor · certfrFR

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund osv certfr NVD CVE.org MITRE

published 2026-08-13modified 2026-10-08

references (3)

External citations — patches, advisories, analysis.

scry

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