Incorrect Type Conversion or Cast

Overview Affected versions of this package are vulnerable to Incorrect Type Conversion or Cast in the LossyDctDecoderexecute process when decoding DWA or DWAB-compressed files containing FLOAT-type channels. An attacker can cause undefined behavior, potentially leading to application crashes or...

CVE-2026-34379: Incorrect Type Conversion or Cast

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...

GHSA-4R7W-Q3JG-FF43 OpenEXR Out of Bounds Heap Read due to Bad Pointer Arithmetic in LossyDctDecoder_execute

Summary The OpenEXRCore code is vulnerable to a heap-based buffer overflow during a read operation due to bad pointer math when decompressing DWAA-packed scan-line EXR files with a maliciously forged chunk. Details In the LossyDctDecoderexecute function from...

OpenEXR Out of Bounds Heap Read due to Bad Pointer Arithmetic in LossyDctDecoder_execute

Summary The OpenEXRCore code is vulnerable to a heap-based buffer overflow during a read operation due to bad pointer math when decompressing DWAA-packed scan-line EXR files with a maliciously forged chunk. Details In the LossyDctDecoderexecute function from...

OSV-2023-445 Heap-buffer-overflow in LossyDctDecoder_execute

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=59457 Crash type: Heap-buffer-overflow READ 2 Crash state: LossyDctDecoderexecute DwaCompressoruncompress internalexrundodwaa...