CVE-2026-43903— OpenImageIO: SGI RLE decoder heap buffer overflow OIIO_DASSERT bounds checks are no-ops in release builds
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| AcademySoftwareFoundation | OpenImageIO | < 3.0.18.0 | affected |
>= 3.1.4.0-beta, < 3.1.13.0 | affected |
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I. Basic Information for CVE-2026-43903
Vulnerability Information
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Vulnerability Title
OpenImageIO: SGI RLE decoder heap buffer overflow OIIO_DASSERT bounds checks are no-ops in release builds
Source: NVD (National Vulnerability Database)
Vulnerability Description
OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to 3.0.18.0 and 3.1.13.0, sgiinput.cpp:265,274 use OIIO_DASSERT for bounds checking in the RLE decode loop. In release builds, OIIO_DASSERT compiles to ((void)sizeof(x)) (dassert.h:210), making all bounds checks no-ops. A crafted .sgi file with RLE count exceeding scanline width causes heap buffer overflow and crash. This vulnerability is fixed in 3.0.18.0 and 3.1.13.0.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存写
Source: NVD (National Vulnerability Database)
Vulnerability Title
OpenImageIO 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenImageIO是OpenImageIO开源的一个图像处理库。具有易于使用的界面和大量受支持的图像格式。 OpenImageIO 3.0.18.0之前版本和3.1.13.0之前版本存在缓冲区错误漏洞，该漏洞源于sgiinput.cpp中RLE解码循环使用OIIO_DASSERT进行边界检查，在发布版本中边界检查被编译为空操作，导致堆缓冲区溢出。
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 |
|---|---|---|---|---|
| AcademySoftwareFoundation | OpenImageIO | < 3.0.18.0 | - |
II. Public POCs for CVE-2026-43903
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · AcademySoftwareFoundation · 2026-05-14 · 8 CVEs total
| CVE-2026-43908 | 8.8 HIGH | OpenImageIO: Signed integer overflow in ConvertCbYCrYToRGB leads to heap out-of-bounds wri |
| CVE-2026-43909 | 8.8 HIGH | OpenImageIO: Signed integer overflow in SwapRGBABytes loop index leads to out-of-bounds re |
| CVE-2026-43907 | 8.3 HIGH | OpenImageIO: Integer overflow in QueryRGBBufferSizeInternal leads to heap out-of-bounds wr |
| CVE-2026-43996 | 5.5 MEDIUM | OpenImageIO: Integer wraparound in bounds check of decode_pixel leads to out-of-bounds rea |
| CVE-2026-43906 | OpenImageIO: HEIF Heap overflow | |
| CVE-2026-43904 | OpenImageIO: Softimage PIC RLE decoder heap buffer overflow — longCount not clamped to ima | |
| CVE-2026-43905 | OpenImageIO: JPEG2000 (OpenJPH) signed integer overflow in buffer allocation |
IV. Related Vulnerabilities
Same product: OpenImageIO
- CVE-2026-43904
OpenImageIO: Softimage PIC RLE decoder heap buffer overflow - CVE-2026-43905
OpenImageIO: JPEG2000 (OpenJPH) signed integer overflow in b - CVE-2026-43996
OpenImageIO: Integer wraparound in bounds check of decode_pi - CVE-2026-43907
OpenImageIO: Integer overflow in QueryRGBBufferSizeInternal - CVE-2026-43908
OpenImageIO: Signed integer overflow in ConvertCbYCrYToRGB l
Same vendor: AcademySoftwareFoundation
- CVE-2026-43904
OpenImageIO: Softimage PIC RLE decoder heap buffer overflow - CVE-2026-43905
OpenImageIO: JPEG2000 (OpenJPH) signed integer overflow in b - CVE-2026-43996
OpenImageIO: Integer wraparound in bounds check of decode_pi - CVE-2026-43907
OpenImageIO: Integer overflow in QueryRGBBufferSizeInternal - CVE-2026-43908
OpenImageIO: Signed integer overflow in ConvertCbYCrYToRGB l
V. Comments for CVE-2026-43903
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