CVE-2026-68513 OpenEXR: Heap buffer overflow in PyOpenEXR from literal/prefixed RGB channel name collision

OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. Versions 3.3.0 through 3.3.12 and 3.4.0 through 3.4.13 contain a heap buffer overflow in PyOpenEXR triggered by a channel-name key collision between literal and prefixed...

CVE-2026-68513

OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. Versions 3.3.0 through 3.3.12 and 3.4.0 through 3.4.13 contain a heap buffer overflow in PyOpenEXR triggered by a channel-name key collision between literal and prefixed...

CVE-2026-68513 OpenEXR: Heap buffer overflow in PyOpenEXR from literal/prefixed RGB channel name collision

OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. Versions 3.3.0 through 3.3.12 and 3.4.0 through 3.4.13 contain a heap buffer overflow in PyOpenEXR triggered by a channel-name key collision between literal and prefixed...

CVE-2026-68513

CVE-2026-68513 is a heap buffer overflow in PyOpenEXR (the Python binding of the OpenEXR library). When separate_channels=false, the channelNameToRGBA() function coalesces channel results into a shared RGB array. A crafted flat scanline EXR file containing both a literal channel name (e.g., left)...

CVE-2026-68513

OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. Versions 3.3.0 through 3.3.12 and 3.4.0 through 3.4.13 contain a heap buffer overflow in PyOpenEXR triggered by a channel-name key collision between literal and prefixed...

CVE-2026-62986 OpenEXR: PyOpenEXR deep prefixed RGB stale lane disclosure

OpenEXR is the reference implementation and specification for the EXR image file format, widely used in the motion picture industry. In versions 3.3.0 through 3.3.12 and 3.4.0 through 3.4.13, the PyOpenEXR Python bindings return stale heap data when reading a crafted deep scanline EXR that uses...

EUVD-2026-65705

OpenEXR is the reference implementation and specification for the EXR image file format, widely used in the motion picture industry. In versions 3.3.0 through 3.3.12 and 3.4.0 through 3.4.13, the PyOpenEXR Python bindings return stale heap data when reading a crafted deep scanline EXR that uses...

CVE-2026-62986

OpenEXR is the reference implementation and specification for the EXR image file format, widely used in the motion picture industry. In versions 3.3.0 through 3.3.12 and 3.4.0 through 3.4.13, the PyOpenEXR Python bindings return stale heap data when reading a crafted deep scanline EXR that uses...

CVE-2026-62986

OpenEXR versions 3.3.0–3.3.12 and 3.4.0–3.4.13 are affected by a stale heap data disclosure in the PyOpenEXR Python bindings. When reading a crafted deep scanline EXR file with layer-prefixed RGB channels (e.g., left.R, left.G, left.B), the lane-offset logic in PyPart::setDeepSliceData() only rec...

CVE-2026-62986 OpenEXR: PyOpenEXR deep prefixed RGB stale lane disclosure

OpenEXR is the reference implementation and specification for the EXR image file format, widely used in the motion picture industry. In versions 3.3.0 through 3.3.12 and 3.4.0 through 3.4.13, the PyOpenEXR Python bindings return stale heap data when reading a crafted deep scanline EXR that uses...

CVE-2026-62986 OpenEXR: PyOpenEXR deep prefixed RGB stale lane disclosure

OpenEXR is the reference implementation and specification for the EXR image file format, widely used in the motion picture industry. In versions 3.3.0 through 3.3.12 and 3.4.0 through 3.4.13, the PyOpenEXR Python bindings return stale heap data when reading a crafted deep scanline EXR that uses...

CVE-2026-62986

OpenEXR is the reference implementation and specification for the EXR image file format, widely used in the motion picture industry. In versions 3.3.0 through 3.3.12 and 3.4.0 through 3.4.13, the PyOpenEXR Python bindings return stale heap data when reading a crafted deep scanline EXR that uses...

CVE-2026-68513: Heap-based Buffer Overflow

OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. Versions 3.3.0 through 3.3.12 and 3.4.0 through 3.4.13 contain a heap buffer overflow in PyOpenEXR triggered by a channel-name key collision between literal and prefixed...

CVE-2026-62986: Exposure of Sensitive Information to an Unauthorized Actor

OpenEXR is the reference implementation and specification for the EXR image file format, widely used in the motion picture industry. In versions 3.3.0 through 3.3.12 and 3.4.0 through 3.4.13, the PyOpenEXR Python bindings return stale heap data when reading a crafted deep scanline EXR that uses...

CVE-2026-68514: Heap-based Buffer Overflow

OpenEXR is the reference implementation and specification for the EXR image file format, widely used in the motion picture industry. In versions 3.3.0 through 3.3.12 and 3.4.0 through 3.4.13, the PyOpenEXR Python bindings contain a heap out-of-bounds write triggered when reading a crafted deep...

PT-2026-81488

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 PyOpenEXR contains a heap buffer overflow triggered by a channel-name key collision between literal and prefixed RGB channels. When the separate channels...

OpenEXR -- 3.4.14 fixes multiple vulnerabilities

Cary Phillips reports: The OpenEXR 3.4.14 release addresses the following security vulnerabilities: CVE-2026-68514: PyOpenEXR deep prefixed literal RGB key collision heap buffer overflow CVE-2026-68513: PyOpenEXR prefixed literal RGB key collision heap buffer overflow CVE-2026-62986: PyOpenEXR de...

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-2026-81480

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...

GHSA-57CW-J6VP-2P9M OpenEXR has use after free in PyObject_StealAttrString

Summary There is a use-after-free in PyObjectStealAttrString of pyOpenEXRold.cpp. This bug was found with ZeroPath. Details The legacy adapter defines PyObjectStealAttrString that calls PyObjectGetAttrString to obtain a new reference, immediately decrefs it, and returns the pointer. Callers then...