CVE-2026-43905— OpenImageIO: JPEG2000 (OpenJPH) signed integer overflow in buffer allocation
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I. Basic Information for CVE-2026-43905
Vulnerability Information
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Vulnerability Title
OpenImageIO: JPEG2000 (OpenJPH) signed integer overflow in buffer allocation
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, jpeg2000input.cpp:395 computes buffer size as const int bufsize = w * h * ch * buffer_bpp using signed 32-bit arithmetic. When the product exceeds INT_MAX, the result wraps to 0 or a small value. m_buf.resize() allocates an undersized buffer, and subsequent pixel write loops cause heap overflow. Conditional on USE_OPENJPH build flag. 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
整数溢出或超界折返
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| AcademySoftwareFoundation | OpenImageIO | < 3.0.18.0 | - |
II. Public POCs for CVE-2026-43905
| # | 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-2026-43903 | OpenImageIO: SGI RLE decoder heap buffer overflow OIIO_DASSERT bounds checks are no-ops in | |
| CVE-2026-43906 | OpenImageIO: HEIF Heap overflow | |
| CVE-2026-43904 | OpenImageIO: Softimage PIC RLE decoder heap buffer overflow — longCount not clamped to ima |
IV. Related Vulnerabilities
Same product: OpenImageIO
- CVE-2026-43903
OpenImageIO: SGI RLE decoder heap buffer overflow OIIO_DASSE - CVE-2026-43904
OpenImageIO: Softimage PIC RLE decoder heap buffer overflow - 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-2026-43903
OpenImageIO: SGI RLE decoder heap buffer overflow OIIO_DASSE - CVE-2026-43904
OpenImageIO: Softimage PIC RLE decoder heap buffer overflow - 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 weakness: CWE-190
- CVE-2021-26380
Trusted OS驱动内存越界致完整性丢失 - CVE-2026-44673
libyang: lyb_read_string() integer overflow → heap buffer ov - CVE-2026-44637
libsixel: integer overflow in parser - CVE-2026-43907
OpenImageIO: Integer overflow in QueryRGBBufferSizeInternal - CVE-2026-43908
OpenImageIO: Signed integer overflow in ConvertCbYCrYToRGB l
V. Comments for CVE-2026-43905
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