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Openimageio OpenimageioOpenImageIO: Signed integer overflow in SwapRGBABytes loop index leads to out-of-bounds read/write in DPX ABGR decoder

Risk 77
Severity
8.8
Integer Overflow
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Last updated 22 May 2026

1 / 2
Source: Ubuntu
First published (updated )
CVE-2026-43909

Openimageio OpenimageioOpenImageIO: Signed integer overflow in ConvertCbYCrYToRGB leads to heap out-of-bounds write in DPX 4:2:2 decoder

Risk 77
Severity
8.8
Integer Overflow
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Last updated 21 May 2026

1 / 2
Source: Ubuntu
First published (updated )
CVE-2026-43908

Openimageio OpenimageioOpenImageIO: HEIF Heap overflow

Risk 72
Severity
8.5
Buffer Overflow
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Last updated 18 June 2026

1 / 2
Source: Ubuntu
First published (updated )
CVE-2026-43906

Openimageio OpenimageioOpenImageIO: SGI RLE decoder heap buffer overflow OIIO_DASSERT bounds checks are no-ops in release builds

Risk 74
Severity
8.4
Buffer Overflow
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Last updated 18 June 2026

1 / 2
Source: Ubuntu
First published (updated )
CVE-2026-43903

Openimageio OpenimageioOpenImageIO: Softimage PIC RLE decoder heap buffer overflow — longCount not clamped to image width

Risk 74
Severity
8.4
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Last updated 18 June 2026

1 / 2
Source: Ubuntu
First published (updated )
CVE-2026-43904
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Openimageio OpenimageioOpenImageIO: Integer overflow in QueryRGBBufferSizeInternal leads to heap out-of-bounds write in DPX decoder (kCbYCr and kABGR)

Risk 67
Severity
8.3
Integer Overflow, Buffer Overflow
AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H

Last updated 18 June 2026

1 / 2
Source: Ubuntu
First published (updated )
CVE-2026-43907

Openimageio OpenimageioOpenImageIO: JPEG2000 (OpenJPH) signed integer overflow in buffer allocation

Risk 68
Severity
7.1
Integer Overflow
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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 bufferbpp using signed 32-bit arithmetic. When the product exceeds INTMAX, the result wraps to 0 or a small value. mbuf.resize() allocates an undersized buffer, and subsequent pixel write loops cause heap overflow. Conditional on USEOPENJPH build flag. This vulnerability is fixed in 3.0.18.0 and 3.1.13.0.

First published (updated )
CVE-2026-43905

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