CVE-2026-59187

OpenEXR, the reference implementation for the EXR image format widely used in the motion picture industry, is affected by a heap out-of-bounds write in the exrmetrics tool when processing a crafted deep scanline EXR file. The root cause is a type mismatch: when pixel conversion options such as --...

CVE-2026-59187

OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. OpenEXR versions 3.3.0 through 3.3.12 and 3.4.0 through 3.4.13 are vulnerable to a heap out-of-bounds write when exrmetrics reads a crafted deep scanline EXR. This occur...

CVE-2026-59187 OpenEXR: exrmetrics deep pixelmode heap buffer overflow

OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. OpenEXR versions 3.3.0 through 3.3.12 and 3.4.0 through 3.4.13 are vulnerable to a heap out-of-bounds write when exrmetrics reads a crafted deep scanline EXR. This occur...

CVE-2026-59187 OpenEXR: exrmetrics deep pixelmode heap buffer overflow

OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. OpenEXR versions 3.3.0 through 3.3.12 and 3.4.0 through 3.4.13 are vulnerable to a heap out-of-bounds write when exrmetrics reads a crafted deep scanline EXR. This occur...

PT-2026-81495

Name of the Vulnerable Software and Affected Versions OpenEXR versions 3.3.0 through 3.3.12 OpenEXR versions 3.4.0 through 3.4.13 Description The PyOpenEXR Python bindings contain a heap out-of-bounds write that occurs when reading a specially crafted deep scanline EXR file. The issue arises when...

PT-2026-81418

Name of the Vulnerable Software and Affected Versions OpenEXR versions 3.3.0 through 3.3.12 OpenEXR versions 3.4.0 through 3.4.13 Description A heap out-of-bounds write occurs when the exrmetrics tool processes a specially crafted deep scanline EXR file. This happens when using pixel conversion...

PT-2026-81480

Name of the Vulnerable Software and Affected Versions OpenEXR versions 3.3.0 through 3.3.12 OpenEXR versions 3.4.0 through 3.4.13 Description The PyOpenEXR Python bindings return stale heap data when reading a specially crafted deep scanline EXR file that utilizes layer-prefixed RGB channels. Whe...

OpenEXR's CompositeDeepScanLine integer-overflow leads to heap OOB write

SummaryFunction: CompositeDeepScanLine::readPixels, reachable from high-level multipart deep read flows MultiPartInputFile + DeepScanLineInputPart + CompositeDeepScanLine.Vulnerable lines src/lib/OpenEXR/ImfCompositeDeepScanLine.cpp:- totalsizesptr += countsjptr; line 511- overallsamplecount +=...

OpenEXR ScanLineProcess::run_fill NULL Pointer Write In "reduceMemory" Mode

SummaryWhen reading a deep scanline image with a large sample count in reduceMemory mode, it is possible to crash a target application with a NULL pointer dereference in a write operation. DetailsIn the ScanLineProcess::runfillfunction, implemented in src/lib/OpenEXR/ImfDeepScanLineInputFile.cpp,...

PYSEC-2026-1748 OpenEXR ScanLineProcess::run_fill NULL Pointer Write In "reduceMemory" Mode

Summary When reading a deep scanline image with a large sample count in reduceMemory mode, it is possible to crash a target application with a NULL pointer dereference in a write operation. Details In the ScanLineProcess::runfill function, implemented in...

PYSEC-2026-1747 OpenEXR Heap-Based Buffer Overflow in Deep Scanline Parsing via Forged Unpacked Size

Summary The OpenEXRCore code is vulnerable to a heap-based buffer overflow during a write operation when decompressing ZIPS-packed deep scan-line EXR files with a maliciously forged chunk header. Details When parsing STORAGEDEEPSCANLINE chunks from an EXR file, the following code from...

openexr: OpenEXR: Arbitrary code execution via integer overflow in EXR file processing

A flaw was found in OpenEXR, an image storage format library for the motion picture industry. An attacker can craft a malicious EXR file that, when processed, causes an integer overflow in the CompositeDeepScanLine::readPixels function. This overflow leads to an undersized buffer allocation, whic...

openexr: OpenEXR: Arbitrary code execution via integer overflow in EXR file processing

A flaw was found in OpenEXR, an image storage format library for the motion picture industry. An attacker can craft a malicious EXR file that, when processed, causes an integer overflow in the CompositeDeepScanLine::readPixels function. This overflow leads to an undersized buffer allocation, whic...

openexr: OpenEXR: Arbitrary code execution via integer overflow in EXR file processing

A flaw was found in OpenEXR, an image storage format library for the motion picture industry. An attacker can craft a malicious EXR file that, when processed, causes an integer overflow in the CompositeDeepScanLine::readPixels function. This overflow leads to an undersized buffer allocation, whic...

JLSEC-2026-133

Due to a failure in validating the number of scanline samples of a OpenEXR file containing deep scanline data, Academy Software Foundation OpenEX image parsing library version 3.2.1 and prior is susceptible to a heap-based buffer overflow vulnerability. This issue was resolved as of versions v3.2...

CLSA-2026-1774604404 openexr: Fix of CVE-2026-27622

CVE-2026-27622: fix integer overflow in CompositeDeepScanLine leading to heap buffer overflow...

OESA-2026-1686 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-2026-1616 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...

Python Library OpenEXR 2.3.x / 3.x < 3.2.6 / 3.3.x < 3.3.8 / 3.4.x < 3.4.6 Heap Buffer Overflow

The version of the OpenEXR Python package installed on the remote host is 2.3.x or 3.x prior to 3.2.6, 3.3.x prior to 3.3.8, or 3.4.x prior to 3.4.6. It is, therefore, affected by a heap buffer overflow vulnerability: - In CompositeDeepScanLine::readPixels, per-pixel totals are accumulated in a...

DEBIAN-CVE-2026-27622

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,...