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CVE-2026-111144— libansilove 1.3.0 through 1.4.2 NULL Pointer Dereference via ansilove_xbin

Quick assessment

Affected
ansilove libansilove
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.

libansilove 1.3.0 至 1.4.2 版本中，ansilove_xbin() 函数存在空指针解引用漏洞。攻击者可通过构造恶意 XBIN 文件导致应用程序崩溃。当攻击者设置 512 字符标志位但未同时设置自定义字体标志位时，drawchar() 函数将访问未初始化的 high_font_data_xbin 指针，进而导致进程异常终止。 注：此漏洞的触发条件涉及两个关键参数——512字符标志位必须置位且自定义字体标志位必须未置位。该漏洞利用场景下，高字体数据数组（high_font_data_xbin）的

CVSS 5.5 · Medium EPSS 0.13% · P2

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 1

VendorProduct Version RangeStatus
ansilove libansilove 1.3.0≤ 1.4.2 affected
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I. Basic Information for CVE-2026-111144

Vulnerability Information
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Vulnerability Title
libansilove 1.3.0 through 1.4.2 NULL Pointer Dereference via ansilove_xbin
Source: CVE Program / CVE List V5
Vulnerability Description
libansilove 1.3.0 through 1.4.2 contains a NULL pointer dereference vulnerability in ansilove_xbin() that allows attackers to crash applications by supplying a crafted XBIN file. Attackers can set the 512-character flag without the custom-font flag, causing drawchar() to index a NULL high_font_data_xbin pointer and terminate 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
空指针解引用
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
ansilove libansilove 1.3.0 ~ 1.4.2 -

II. Public POCs for CVE-2026-111144

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-111144

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Patches & Fixes for CVE-2026-111144 (2)

Vendor Advisories for CVE-2026-111144 (1)

Proof of Concept for CVE-2026-111144 (1)

Other References for CVE-2026-111144 (1)

IV. Related Vulnerabilities

Same product: libansilove
Same vendor: ansilove
Same weakness: CWE-476

V. Comments for CVE-2026-111144

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