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CVE-2026-112048— libspatialite through 5.1.0 Uncontrolled Memory Allocation via ParseWkbPolygon Ring Count

Quick assessment

Affected
SpatiaLite libspatialite
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.

libspatialite 5.1.0 及更早版本在 函数中未能正确验证多边形环的数量，攻击者可利用精心构造的几何 BLOB 触发不受控的内部环内存分配。攻击者可在 SpatiaLite 数据库或 输入中提供恶意构造的多边形，从而导致 32 位构建版本中的进程崩溃或堆内存损坏。

CVSS 6.1 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
SpatiaLite libspatialite ≤ 5.1.0 affected
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I. Basic Information for CVE-2026-112048

Vulnerability Information
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Vulnerability Title
libspatialite through 5.1.0 Uncontrolled Memory Allocation via ParseWkbPolygon Ring Count
Source: CVE Program / CVE List V5
Vulnerability Description
libspatialite through 5.1.0 fails to validate the polygon ring count in ParseWkbPolygon, allowing attackers to trigger uncontrolled interior-ring allocation via crafted geometry BLOBs. Attackers can supply a crafted polygon in a SpatiaLite database or ST_GeomFromWKB input to crash the process or corrupt heap memory on 32-bit builds.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未经控制的内存分配
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
SpatiaLite libspatialite 0 ~ 5.1.0 -

II. Public POCs for CVE-2026-112048

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III. Intelligence Information for CVE-2026-112048

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Vendor Advisories for CVE-2026-112048 (1)

Security Blog Posts for CVE-2026-112048 (1)

IV. Related Vulnerabilities

Same product: libspatialite
Same vendor: SpatiaLite
Same weakness: CWE-789

V. Comments for CVE-2026-112048

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