CVE-2026-119372— SQLite before 3.54.0 Use-After-Free in FTS3 fts3BestSnippet() via snippet()

Quick assessment

Affected

SQLite SQLite

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在启用 FTS3/FTS4 且编译时包含 SQLITE_ENABLE_FTS3_PARENTHESIS 选项的 SQLite 3.54.0 之前版本中，fts3BestSnippet() 函数存在一个释放后使用（use-after-free）漏洞，该漏洞由悬空的缓存位置列表指针引起。攻击者可通过执行结合 OR 和 NEAR 操作符并调用 snippet() 函数的全文 MATCH 查询，读取已释放的堆内存，从而导致进程崩溃。

CVSS 5.5 · Medium Updated Oct 30, 2026

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

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Vulnerability Information

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Vulnerability Title

SQLite before 3.54.0 Use-After-Free in FTS3 fts3BestSnippet() via snippet()

Source: CVE Program / CVE List V5

Vulnerability Description

SQLite before 3.54.0 built with FTS3/FTS4 and SQLITE_ENABLE_FTS3_PARENTHESIS contains a use-after-free vulnerability in fts3BestSnippet() caused by dangling cached position-list pointers. Attackers can run a full-text MATCH query combining OR and NEAR operators with snippet() to read freed heap memory and crash the process.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Source: CVE Program / CVE List V5

Vulnerability Type

释放后使用

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
SQLite	SQLite	0 ~ 3.54.0	-

II. Public POCs for CVE-2026-119372

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

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III. Intelligence Information for CVE-2026-119372

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Other References for CVE-2026-119372 (8)

https://sqlite.org/bugs/info/2026-08-17T09:18:24Z issue-tracking
https://sqlite.org/src/info/e4635c4153 patch
https://github.com/sqlite/sqlite/blob/version-3.53.4/ext/fts3/fts3_snippet.c#L561 technical-description
https://github.com/sqlite/sqlite/commit/a87bd2471a9c0606e78d3c3678bcd9cecaa0e731 patch
https://abraxaslabs.tech/research/sqlite-fts3-snippet third-party-advisory
https://sqlite.org/releaselog/3_54_0.html release-notes
https://github.com/sqlite/sqlite product
https://www.vulncheck.com/advisories/sqlite-before-3.54.0-use-after-free-in-fts3-fts3bestsnippet-via-snippet third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-119372

Same Patch Batch · SQLite · 2026-10-30 · 11 CVEs total

CVE-2026-119586	7.8 HIGH	SQLite CLI through 3.54.1 Command Injection via .recover Output
CVE-2026-119379	7.8 HIGH	SQLite before 3.54.0 Heap Buffer Overflow via Session Extension sessionUpdateFind()
CVE-2026-119374	7.8 HIGH	SQLite before 3.54.0 Heap Buffer Overflow via FTS5 fts5DoSecureDelete()
CVE-2026-119373	7.8 HIGH	SQLite before 3.54.0 FTS5 Heap Buffer Overflow via fts5MergeRowidLists()
CVE-2026-119375	5.5 MEDIUM	SQLite before 3.54.0 Information Disclosure via WAL Page Size Mismatch
CVE-2026-119591	5.5 MEDIUM	SQLite before 3.54.0 Stack Exhaustion via countOfViewOptimization() in VALUES Clause
CVE-2026-119371	5.5 MEDIUM	SQLite before 3.54.0 Stack Exhaustion via CTE Chain in selectExpander()
CVE-2026-119376	5.5 MEDIUM	SQLite before 3.54.0 Stack Exhaustion via COLLATE Operator Chain
CVE-2026-119378	5.5 MEDIUM	SQLite before 3.54.0 Use-After-Free in R-Tree nodeWrite()
CVE-2026-119377	2.5 LOW	SQLite before 3.54.0 Authorizer Bypass via RIGHT or FULL JOIN USING

IV. Related Vulnerabilities

Same product: SQLite

Same vendor: SQLite

Same weakness: CWE-416