CVE-2026-39886

CVE-2026-39886 affects OpenEXR up to version 3.4.9. A signed 32-bit overflow in ht_undo_impl() (internal_ht.cpp) of the HTJ2K decompression path can cause a per-scanline pointer arithmetic error, potentially leading to a heap out-of-bounds write when a crafted EXR with 16,385 FLOAT channels at ma...

CVE-2026-39886 OpenEXR has HTJ2K Signed Integer Overflow in ht_undo_impl()

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. Versions 3.4.0 through 3.4.9 have a signed integer overflow vulnerability in OpenEXR's HTJ2K High-Throughput JPEG 2000 decompression path. The htundoimp...

FreeBSD: VID-7b83af27-3a86-11f1-90cd-41d47652b1c2 (CVE-2026-39886): OpenEXR -- several integer overflow vulnerabilities

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. Versions 3.4.0 through 3.4.9 have a signed integer overflow vulnerability in OpenEXR's HTJ2K High-Throughput JPEG 2000 decompression path. The htundoimp...

OpenEXR -- several integer overflow vulnerabilities

Cary Phillips reports: OpenEXR 3.4.10 is a patch release that addresses the following security vulnerabilities: CVE-2026-39886 HTJ2K Signed Integer Overflow in htundoimpl CVE-2026-40244 Integer overflow in DWA setupChannelData planarUncRle pointer arithmetic missed variant of CVE-2026-34589...

PT-2026-35482

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From version 3.4.0 to before version 3.4.7, an attacker providing a crafted .exr file with HTJ2K compression and a channel width of 32768 can write...

Python Library OpenEXR 3.4.x < 3.4.7 Heap Buffer Overflow (OOB Read)

The version of the OpenEXR Python package installed on the remote host is 3.4.x prior to 3.4.7. It is, therefore, affected by a heap buffer overflow vulnerability: - A heap-buffer-overflow out-of-bounds read occurs in the the HTJ2K decoder in OpenEXR when copying decompressed samples from OpenJPH...

Linux Distros Unpatched Vulnerability : CVE-2026-34545

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From version...

CVE-2026-34545

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From version 3.4.0 to before version 3.4.7, an attacker providing a crafted .exr file with HTJ2K compression and a channel width of 32768 can write...

CVE-2026-34545 OpenEXR: integer overflow lead to OOB in HTJ2K decoder

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From version 3.4.0 to before version 3.4.7, an attacker providing a crafted .exr file with HTJ2K compression and a channel width of 32768 can write...

CVE-2026-34545

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From version 3.4.0 to before version 3.4.7, an attacker providing a crafted .exr file with HTJ2K compression and a channel width of 32768 can write...

EUVD-2026-18062

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From version 3.4.0 to before version 3.4.7, an attacker providing a crafted .exr file with HTJ2K compression and a channel width of 32768 can write...

CVE-2026-34545 OpenEXR: integer overflow lead to OOB in HTJ2K decoder

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From version 3.4.0 to before version 3.4.7, an attacker providing a crafted .exr file with HTJ2K compression and a channel width of 32768 can write...

CVE-2026-34545: Heap-based Buffer Overflow

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From version 3.4.0 to before version 3.4.7, an attacker providing a crafted .exr file with HTJ2K compression and a channel width of 32768 can write...

ffmpeg:ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer: Invalid-free in av_freep

Project: https://git.ffmpeg.org/ffmpeg.git Detailed Report: https://oss-fuzz.com/testcase?key=5089709973176320 Project: ffmpeg Fuzzing Engine: libFuzzer Fuzz Target: ffmpegAVCODECIDJPEG2000fuzzer Job Type: libfuzzerasanffmpeg Platform Id: linux Crash Type: Invalid-free Crash Address: 0x7fff988acf...

PT-2021-27802

Name of the Vulnerable Software and Affected Versions No specific software or versions are mentioned in the provided description. Description The issue is related to a crash type of UNKNOWN READ. The crash state involves several functions: state VLC dec::load bytes, state VLC dec::state VLC dec,...