PT-2026-48218 · Sqlite · Sqlite

Ashish Kunwar · Published 2026-06-09 · Updated 2026-06-09 · CVE-2026-11824

NVD

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SQLite before 3.53.2 contains a heap-based buffer overflow vulnerability in the FTS5 full-text search extension that allows attackers to cause a crash or execute arbitrary code by supplying a crafted database with malicious continuation page metadata specifying a szLeaf value smaller than 4. Attackers can trigger an integer underflow in fts5ChunkIterate() causing an inflated remaining byte count during FTS5 MATCH query processing, leading to a heap buffer overflow of attacker-controlled data in applications compiled with SQLITE ENABLE FTS5.

Fix

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

CVE-2026-11824

Affected Products

Sqlite

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-11824 · Security Note
• https://sqlite.org/src/info/4a5ad516ea93 · Patch
• https://sqlite.org/src/info/061febcf41ca · Patch
• https://sqlite.org/releaselog/3_53_2.html · Note
• https://vulncheck.com/advisories/sqlite-before-heap-buffer-overflow-via-fts5-fts5chunkiterate · Note