CVE-2026-14678

MediumCVSS 4.3/10Last modified Aug 29, 2026

Description

Buffer over-read in PostgreSQL pg_trgm index picksplit function reads past end of a heap buffer. This might allow a table maintainer to infer limited memory values, via the lossy signal of index split choices. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-126

Affected software

Vendor	Product	Versions
n/a	PostgreSQL	>= 18, < 18.6; >= 17, < 17.11; >= 16, < 16.15; >= 15, < 15.19; < 14.24

References

https://www.postgresql.org/support/security/CVE-2026-14678/Vendor Advisory

Timeline

Published: Aug 13, 2026
Last modified: Aug 29, 2026
NVD status: Modified

Related CVEs from 2026

CVE-2026-146798.2Stack buffer overflow in PostgreSQL argument name matching allows an object creator to achieve unknown impacts via OUT parameter count. The CVE-2026-14685.1QuickCMS is vulnerable to Cross-Site Request Forgery across multiple endpoints. An attacker can craft special website, which when visited by CVE-2026-146808.8Type confusion with PostgreSQL "internal" data type arguments allows any user to execute arbitrary code as the operating system user running CVE-2026-146814.2Improper enforcement of message integrity in PostgreSQL GSSAPI support allows a user to negotiate GSSAPI contrary to pg_hba.conf rules, via CVE-2026-146827.5In Bouncy Castle for Java before 1.85, Possible OOM from unbounded up-front allocation on a definite-length read. This issue also affects Bo CVE-2026-146833.3A vulnerability was detected in HdrHistogram up to 2.2.2. Affected by this issue is the function org.HdrHistogram.AbstractHistogram.decodeFr CVE-2026-146843.3A flaw has been found in HdrHistogram up to 2.2.2. This affects the function org.HdrHistogram.AbstractHistogram.decodeFromByteBuffer of the CVE-2026-146853.3A vulnerability has been found in HdrHistogram up to 2.2.2. This vulnerability affects the function recordValueWithCount of the file src/mai CVE-2026-146863.3A vulnerability was found in HdrHistogram up to 2.2.2. This issue affects the function org.HdrHistogram.DoubleHistogram.recordValue of the f CVE-2026-146875.3A vulnerability was determined in 666ghj BettaFish up to 1.2.1. Impacted is the function _deduplicate_results of the file InsightEngine/agen CVE-2026-146887.3A vulnerability was identified in itsourcecode Online Hotel Management System 1.0. The affected element is an unknown function of the file /CVE-2026-146896.3A security flaw has been discovered in CodeAstro Apartment Visitor Management System 1.0. The impacted element is an unknown function of the