JLSEC-2026-140

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In versions 3.3.0 through 3.3.6 and 3.4.0 through 3.4.4, a heap-buffer-overflow OOB read occurs in the istreamnonparallelread function in...

JLSEC-2026-128

There's a flaw in OpenEXR's ImfDeepScanLineInputFile functionality in versions prior to 3.0.5. An attacker who is able to submit a crafted file to an application linked with OpenEXR could cause an out-of-bounds read. The greatest risk from this flaw is to application availability...

JLSEC-2026-134

An issue in Academy Software Foundation openexr v.3.2.3 and before allows a local attacker to cause a denial of service DoS via the convert function of exrmultipart.cpp...

JLSEC-2026-136

Academy Software Foundation OpenEXR EXR File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Academy Software Foundation OpenEXR. User interaction is required to exploit this...

JLSEC-2026-144

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...

JLSEC-2026-139

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In versions 3.2.0 through 3.2.4, 3.3.0 through 3.3.5, and 3.4.0 through 3.4.2, there is a use-after-free in PyObjectStealAttrString of pyOpenEXRold.cpp...

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...

JLSEC-2026-131

In ImfChromaticities.cpp routine RGBtoXYZ, there are some division operations such as float Z = 1 - chroma.white.x - chroma.white.y Y / chroma.white.y; and chroma.green.y X + Z / d; but the divisor is not checked for a 0 value. A specially crafted file could trigger a divide-by-zero condition whi...

JLSEC-2026-149

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, the DWA lossy decoder constructs temporary per-component block pointers using signed 32-bit arithmetic. Fo...

JLSEC-2026-142

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...

JLSEC-2026-148

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From 3.1.0 to before 3.2.7, 3.3.9, and 3.4.9, internalexrundopiz advances the working wavelet pointer with signed 32-bit arithmetic. Because nx, ny, and...

JLSEC-2026-141

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In CompositeDeepScanLine::readPixels, per-pixel totals are accumulated in vector totalsizes for attacker-controlled large counts across many parts,...

JLSEC-2026-147

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...

PT-2026-35466

An integer overflow could occur when OpenEXR processes a crafted file on systems where size t 64 bits. This could cause an invalid bytesPerLine and maxBytesPerLine value, which could lead to problems with application stability or lead to other attack paths...

PT-2026-35464

There's a flaw in OpenEXR's ImfDeepScanLineInputFile functionality in versions prior to 3.0.5. An attacker who is able to submit a crafted file to an application linked with OpenEXR could cause an out-of-bounds read. The greatest risk from this flaw is to application availability...

PT-2026-35474

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In versions 3.2.0 through 3.2.4, 3.3.0 through 3.3.5, and 3.4.0 through 3.4.2, there is a use-after-free in PyObject StealAttrString of pyOpenEXR old.cp...

PT-2026-35475

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In versions 3.3.0 through 3.3.6 and 3.4.0 through 3.4.4, a heap-buffer-overflow OOB read occurs in the istream nonparallel read function in...

PT-2026-35468

OpenEXR 3.1.x before 3.1.4 has a heap-based buffer overflow in Imf 3 1::LineCompositeTask::execute called from IlmThread 3 1::NullThreadPoolProvider::addTask and IlmThread 3 1::ThreadPool::addGlobalTask. NOTE: db217f2 may be inapplicable...

PT-2026-35480

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 3.4.8, sensitive information from heap memory may be leaked through the decoded pixel data information disclosure...

PT-2026-35470

Academy Software Foundation OpenEXR EXR File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Academy Software Foundation OpenEXR. User interaction is required to exploit this...