CVE-2026-89266— stb_vorbis through 1.22 heap buffer overflow via codebook multiplicands
Quick assessment
Affected
nothings stb_vorbis
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.
Sean Barrett stb是Sean Barrett个人开发者开源的一个提供多种数据加载与处理功能的服务器软件库。 Sean Barrett stb 1.22及之前版本存在缓冲区错误漏洞，该漏洞源于start_decoder()函数中codebook multiplicands分配大小从size_t截断为int，攻击者可构造包含大entries和dimensions值的恶意Ogg Vorbis文件触发越界写入，导致进程崩溃或堆损坏。
Possible ATT&CK Techniques 1 AI
T1204 · User ExecutionAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| nothings | stb_vorbis | ≤ 1.22 |
affected |
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2026-89266
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
stb_vorbis through 1.22 heap buffer overflow via codebook multiplicands
Source: CVE Program / CVE List V5
Vulnerability Description
stb_vorbis through 1.22 contains a heap buffer overflow in start_decoder() where the codebook multiplicands allocation size is truncated from size_t to int. Attackers can craft a malicious Ogg Vorbis file with large entries and dimensions values to trigger out-of-bounds writes, causing process crashes or heap corruption.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
Sean Barrett stb 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sean Barrett stb是Sean Barrett个人开发者开源的一个提供多种数据加载与处理功能的服务器软件库。 Sean Barrett stb 1.22及之前版本存在缓冲区错误漏洞，该漏洞源于start_decoder()函数中codebook multiplicands分配大小从size_t截断为int，攻击者可构造包含大entries和dimensions值的恶意Ogg Vorbis文件触发越界写入，导致进程崩溃或堆损坏。
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 |
|---|---|---|---|---|
| nothings | stb_vorbis | 0 ~ 1.22 | - |
|
II. Public POCs for CVE-2026-89266
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-89266
请登录查看更多情报信息。
Patches & Fixes for CVE-2026-89266 (1)
Vendor Advisories for CVE-2026-89266 (1)
Proof of Concept for CVE-2026-89266 (1)
Other References for CVE-2026-89266 (1)
IV. Related Vulnerabilities
Same vendor: nothings
-
CVE-2026-102805
Nothings stb Image Encoding stb_image_write.h stbi_write_tga -
CVE-2026-102804
Nothings stb stb_hexwave.h hexwave_init integer overflow -
CVE-2026-5317
Nothings stb stb_vorbis.c start_decoder out-of-bounds write -
CVE-2026-5316
Nothings stb stb_vorbis.c setup_free allocation of resources -
CVE-2026-5315
Nothings stb TTF File stb_truetype.h stbtt__buf_get8 out-of-
Same weakness: CWE-787
-
CVE-2026-111880
FreeRDP 2.0.0 before 3.32.0 Heap Out-of-Bounds Write via NTL -
CVE-2026-89088
Parted: parted: denial of service via heap buffer overflow d -
CVE-2026-89085
Parted: parted: heap-based buffer overflow via crafted fat32 -
CVE-2026-85746
MariaDB: Out-of-bound buffer write on in `ST_AsText` of nest -
CVE-2026-105958
Spice-server: spice: heap oob read/write via unchecked migra
V. Comments for CVE-2026-89266
No comments yet