CVE-2026-111155— libTiMidity through 0.2.8 Out-of-Bounds Read via SoundFont Loader sndfont.c
Quick assessment
Affected
sezero libtimidity
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 libTiMidity 0.2.8 及更早版本中，src/sndfont.c 中的 SoundFont 加载器存在一个堆外读漏洞。该漏洞是由于未经验证的 sampleId 和 instrument 生成器值被直接用作表索引所致。攻击者可通过提供精心构造的 .sf2 文件，利用 mid_set_soundfont() 函数加载该文件，从而读取堆内存越界内容，导致应用程序崩溃。
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client ExecutionAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| sezero | libtimidity | 0.2.8≤ 0.2.8 |
affected |
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I. Basic Information for CVE-2026-111155
Vulnerability Information
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Vulnerability Title
libTiMidity through 0.2.8 Out-of-Bounds Read via SoundFont Loader sndfont.c
Source: CVE Program / CVE List V5
Vulnerability Description
libTiMidity through 0.2.8 contains a heap out-of-bounds read vulnerability in the SoundFont loader in src/sndfont.c that uses unvalidated sampleId and instrument generator values as table indices. Attackers can supply a crafted .sf2 file loaded through mid_set_soundfont() to read heap memory out of bounds and crash the application.
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 |
|---|---|---|---|---|
| sezero | libtimidity | 0.2.8 ~ 0.2.8 | - |
|
II. Public POCs for CVE-2026-111155
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-111155 (1)
Security Blog Posts for CVE-2026-111155 (1)
Other References for CVE-2026-111155 (1)
Same Patch Batch · sezero · 2026-10-15 · 5 CVEs total
| CVE-2026-111154 | 6.1 MEDIUM | libTiMidity through 0.2.8 Stack Out-of-Bounds Write via parse_gen in SoundFont Loader |
| CVE-2026-111156 | 6.1 MEDIUM | libTiMidity through 0.2.8 Out-of-Bounds Access via SoundFont Preset Header |
| CVE-2026-111165 | 5.5 MEDIUM | libmikmod through 3.3.15 Out-of-Bounds Read in MTM_Load via Channel Count |
| CVE-2026-111166 | 5.5 MEDIUM | libmikmod through 3.3.15 Heap Out-of-Bounds Read via IMF_Load |
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V. Comments for CVE-2026-111155
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