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CVE-2026-111132— GNOME libgxps through 0.3.2 Heap Out-of-Bounds Read via path_geometry_start_element

Quick assessment

Affected
GNOME libgxps
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.

GNOME libgxps 在 0.3.2 及更早版本中存在一个堆缓冲区越界读取漏洞，该漏洞位于 函数中。攻击者可以通过构造包含恶意 或 元素的 属性，读取超出分配内存边界的数据。具体而言，攻击者可以在精心构造的 XPS 文档中提供无法被 3 或 2 整除的点数量，从而导致诸如 Evince 等应用程序崩溃，并将相邻的堆内存内容输出到结果中。

CVSS 6.1 · Medium

Possible ATT&CK Techniques 1 AI

T1200 · Hardware Additions

Affected Version Matrix 1

VendorProduct Version RangeStatus
GNOME libgxps ≤ 0.3.2 affected
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I. Basic Information for CVE-2026-111132

Vulnerability Information
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Vulnerability Title
GNOME libgxps through 0.3.2 Heap Out-of-Bounds Read via path_geometry_start_element
Source: CVE Program / CVE List V5
Vulnerability Description
GNOME libgxps through 0.3.2 contains a heap out-of-bounds read in path_geometry_start_element() that allows attackers to read past allocations via crafted PolyBezierSegment or PolyQuadraticBezierSegment Points attributes. Attackers can supply a point count not divisible by three or two in a crafted XPS document to crash consumers like Evince and render adjacent heap memory into output.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
GNOME libgxps 0 ~ 0.3.2 -

II. Public POCs for CVE-2026-111132

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III. Intelligence Information for CVE-2026-111132

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Patches & Fixes for CVE-2026-111132 (1)

News Coverage for CVE-2026-111132 (1)

Vendor Pages for CVE-2026-111132 (1)

Other References for CVE-2026-111132 (2)

IV. Related Vulnerabilities

Same vendor: GNOME
Same weakness: CWE-125

V. Comments for CVE-2026-111132

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