CVE-2026-34380

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From 3.2.0 to before 3.2.7, 3.3.9, and 3.4.9, a signed integer overflow exists in undopxr24impl in src/lib/OpenEXRCore/internalpxr24.c at line 377. The...

CVE-2026-34380

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From 3.2.0 to before 3.2.7, 3.3.9, and 3.4.9, a signed integer overflow exists in undopxr24impl in src/lib/OpenEXRCore/internalpxr24.c at line 377. The...

CVE-2026-34380 OpenEXR has a signed integer overflow (undefined behavior) in undo_pxr24_impl may allow bounds-check bypass in PXR24 decompression

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From 3.2.0 to before 3.2.7, 3.3.9, and 3.4.9, a signed integer overflow exists in undopxr24impl in src/lib/OpenEXRCore/internalpxr24.c at line 377. The...

CVE-2026-34379 OpenEXR has a misaligned write in LossyDctDecoder_execute leading to undefined behavior (DWA/DWAB decompression)

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From 3.2.0 to before 3.2.7, 3.3.9, and 3.4.9, a misaligned memory write vulnerability exists in LossyDctDecoderexecute in...

CVE-2026-34379

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From 3.2.0 to before 3.2.7, 3.3.9, and 3.4.9, a misaligned memory write vulnerability exists in LossyDctDecoderexecute in...

CVE-2026-34379

CVE-2026-34379 affects OpenEXR across 3.2.x, 3.3.x, and 3.4.x: a misaligned memory write in LossyDctDecoder_execute() for FLOAT channels during in-place HALF→FLOAT conversion. The decoder casts an unaligned uint8_t* row pointer to float* and writes, causing undefined behavior and potential crash ...

CVE-2026-34379 OpenEXR has a misaligned write in LossyDctDecoder_execute leading to undefined behavior (DWA/DWAB decompression)

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From 3.2.0 to before 3.2.7, 3.3.9, and 3.4.9, a misaligned memory write vulnerability exists in LossyDctDecoderexecute in...

CVE-2026-34379

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From 3.2.0 to before 3.2.7, 3.3.9, and 3.4.9, a misaligned memory write vulnerability exists in LossyDctDecoderexecute in...

CVE-2026-34379

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From 3.2.0 to before 3.2.7, 3.3.9, and 3.4.9, a misaligned memory write vulnerability exists in LossyDctDecoderexecute in...

CVE-2026-34379 OpenEXR has a misaligned write in LossyDctDecoder_execute leading to undefined behavior (DWA/DWAB decompression)

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From 3.2.0 to before 3.2.7, 3.3.9, and 3.4.9, a misaligned memory write vulnerability exists in LossyDctDecoderexecute in...

CVE-2026-34378 OpenEXR has a signed integer overflow in generic_unpack() when parsing EXR files with crafted negative dataWindow.min.x

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From 3.4.0 to before 3.4.9, a missing bounds check on the dataWindow attribute in EXR file headers allows an attacker to trigger a signed integer overfl...

CVE-2026-34378 OpenEXR has a signed integer overflow in generic_unpack() when parsing EXR files with crafted negative dataWindow.min.x

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From 3.4.0 to before 3.4.9, a missing bounds check on the dataWindow attribute in EXR file headers allows an attacker to trigger a signed integer overfl...

EUVD-2026-19303

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From 3.4.0 to before 3.4.9, a missing bounds check on the dataWindow attribute in EXR file headers allows an attacker to trigger a signed integer overfl...

CVE-2026-34378

OpenEXR vulnerability overview: The EXR file format library OpenEXR is affected in versions 3.4.0 through before 3.4.9 due to a missing bounds check on the dataWindow attribute in headers, which can trigger a signed integer overflow in generic_unpack() when dataWindow.min.x is set to a large nega...

CVE-2026-34378

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From 3.4.0 to before 3.4.9, a missing bounds check on the dataWindow attribute in EXR file headers allows an attacker to trigger a signed integer overfl...

CVE-2026-34378 OpenEXR has a signed integer overflow in generic_unpack() when parsing EXR files with crafted negative dataWindow.min.x

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From 3.4.0 to before 3.4.9, a missing bounds check on the dataWindow attribute in EXR file headers allows an attacker to trigger a signed integer overfl...

CVE-2026-34378

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From 3.4.0 to before 3.4.9, a missing bounds check on the dataWindow attribute in EXR file headers allows an attacker to trigger a signed integer overfl...

PT-2026-30662

Name of the Vulnerable Software and Affected Versions OpenEXR versions 3.1.0 through 3.2.6, versions prior to 3.3.9, and versions prior to 3.4.9 Description OpenEXR, an image storage format used in the motion picture industry, contains a flaw in the internal exr undo piz function. Specifically, t...

PT-2026-30659

Name of the Vulnerable Software and Affected Versions OpenEXR versions 3.2.0 through 3.2.6, 3.3.9, and 3.4.9 Description A signed integer overflow exists in the undo pxr24 impl function within the OpenEXR library. The expression uint64 tw 3 calculates w 3 as a signed 32-bit integer before...

PT-2026-30663

Name of the Vulnerable Software and Affected Versions OpenEXR versions 3.2.0 through 3.2.6, 3.3.9, and 3.4.9 Description OpenEXR, an image storage format used in the motion picture industry, contains a flaw in the DWA lossy decoder. Specifically, the decoder uses signed 32-bit arithmetic to creat...