{"id":"CVE-2026-11824","title":"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 …","summary":"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 …","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-122"],"vendor":"sqlite","product":"sqlite","affected":["sqlite < 3.53.2"],"patched":["sqlite 3.53.2"],"published":"2026-06-09","updated":"2026-10-15","sourceUpdated":"2026-10-15T02:18:37.653","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-11824","references":[{"url":"https://sqlite.org/releaselog/3_53_2.html","label":"disclosure@vulncheck.com"},{"url":"https://sqlite.org/src/info/061febcf41ca","label":"disclosure@vulncheck.com"},{"url":"https://sqlite.org/src/info/4a5ad516ea93","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/sqlite-before-heap-buffer-overflow-via-fts5-fts5chunkiterate","label":"disclosure@vulncheck.com"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-765416.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.00176,"epssPercentile":0.06648,"ingestedAt":"2026-10-15T03:30:12.900Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-06-09T19:41:10.263986Z"},"slug":"CVE-2026-11824","body":"## Overview\n\nSQLite 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.\n\n## Affected\n\n- `sqlite < 3.53.2`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `sqlite 3.53.2`","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}