PT-2026-56600

Name of the Vulnerable Software and Affected Versions Wireshark versions 4.6.0 through 4.6.6 Wireshark versions 4.4.0 through 4.4.16 Description A crash in the Catapult DCT2000 protocol dissector allows a denial of service. A protocol dissector is a software component that breaks down network...

PYSEC-2026-1746 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...

JLSEC-2026-143

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...

OESA-2026-1842 OpenEXR security update

OpenEXR is a high dynamic-range HDR image file format originally developed by Industrial Light Magic for use in computer imaging applications. Security Fixes: OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture...

OESA-2026-1840 OpenEXR security update

OpenEXR is a high dynamic-range HDR image file format originally developed by Industrial Light Magic for use in computer imaging applications. Security Fixes: OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture...

Out-of-bounds Write

Overview OpenEXR is a Python bindings for the OpenEXR image file format Affected versions of this package are vulnerable to Out-of-bounds Write through the LossyDctDecoderexecute process. An attacker can cause a crash or denial of service by providing a crafted scanline DWAA file that triggers an...

GHSA-P8XC-W3Q4-H64X OpenEXR: DWA Lossy Decoder Heap Out-of-Bounds Write

Summary The DWA lossy decoder constructs temporary per-component block pointers using signed 32-bit arithmetic. For a large enough width, the calculation overflows and later decoder stores operate on a wrapped pointer outside the allocated rowBlock backing store. This bug is reachable from the...

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...

UBUNTU-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-2026-34379

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-2026-34379 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...

EUVD-2026-19305

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...

PT-2026-30658

Name of the Vulnerable Software and Affected Versions OpenEXR versions 3.2.0 through 3.2.6, version 3.3.9, and version 3.4.9 Description A memory write issue exists in the LossyDctDecoder execute function within src/lib/OpenEXRCore/internal dwa decoder.h:749 when decoding DWA or DWAB-compressed E...

openexr -- multiple vulnerabilities

Cary Phillips reports: OpenEXR 3.4.9 addresses the following CVEs: CVE-2026-34589 DWA Lossy Decoder Heap Out-of-Bounds Write CVE-2026-34588 Signed 32-bit Overflow in PIZ Decoder Leads to OOB Read/Write CVE-2026-34380 Signed integer overflow undefined behavior in undopxr24impl may allow bounds-che...

CVE-2022-38228

XPDF commit ffaf11c was discovered to contain a heap-buffer overflow via DCTStream::transformDataUnit at /xpdf/Stream.cc...

CVE-2022-38229

XPDF commit ffaf11c was discovered to contain a heap-buffer overflow via DCTStream::readHuffSymDCTHuffTable at /xpdf/Stream.cc...

CVE-2025-62707 pypdf affected by possible infinite loop when reading DCT inline images without EOF marker

pypdf is a free and open-source pure-python PDF library. Prior to version 6.1.3, an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires parsing the content stream of a page which has an inline image using the DCTDecode filter. This has been fixed in...

CVE-2025-62707

CVE-2025-62707 affects the pypdf Python PDF library. Before version 6.1.3, parsing the content stream of a page that contains an inline image using the DCTDecode filter can lead to an infinite loop. IBM and linked advisories note this vulnerability is fixed in pypdf 6.1.3; remediation includes up...