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CVE-2025-7709— Out Of Bounds write in FTS5 Extension in SQLite

Quick assessment

Affected
SQLite FTS5
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.

SQLite FTS5是SQLite开源的一个全文搜索虚拟表模块。 SQLite FTS5存在安全漏洞，该漏洞源于计算墓碑指针数组大小时发生整数溢出，可能导致越界写入。

AI Predicted 5.5 Difficulty: Hard EPSS 0.35% · P27

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2025-7709

Vulnerability Information
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Vulnerability Title
Out Of Bounds write in FTS5 Extension in SQLite
Source: CVE Program / CVE List V5
Vulnerability Description
An integer overflow exists in the FTS5 https://sqlite.org/fts5.html  extension. It occurs when the size of an array of tombstone pointers is calculated and truncated into a 32-bit integer. A pointer to partially controlled data can then be written out of bounds.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:N/VI:H/VA:L/SC:N/SI:H/SA:L
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
Source: CVE Program / CVE List V5
Vulnerability Title
SQLite FTS5 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SQLite FTS5是SQLite开源的一个全文搜索虚拟表模块。 SQLite FTS5存在安全漏洞，该漏洞源于计算墓碑指针数组大小时发生整数溢出，可能导致越界写入。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
SQLite FTS5 3.49.1 < 3.50 -

II. Public POCs for CVE-2025-7709

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III. Intelligence Information for CVE-2025-7709

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IV. Related Vulnerabilities

Same vendor: SQLite
Same weakness: CWE-190

V. Comments for CVE-2025-7709

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