EUVD-2026-28300CVSS VectorNVD
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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5DescriptionNVD
OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From versions 3.0.0 to before 3.2.9, 3.3.0 to before 3.3.11, and 3.4.0 to before 3.4.11, readVariableLengthInteger() decodes a variable-length integer from untrusted EXR input without bounding the shift count. After enough continuation bytes, the code executes a left shift by 70 on a 64-bit value, which is undefined behavior. This issue has been patched in versions 3.2.9, 3.3.11, and 3.4.11.
AnalysisAI
OpenEXR versions 3.0.0-3.2.8, 3.3.0-3.3.10, and 3.4.0-3.4.10 suffer from unbounded shift operations in the readVariableLengthInteger() function when parsing variable-length integers from untrusted EXR files. Attackers can craft malicious EXR files with excessive continuation bytes to trigger left shifts exceeding 64 bits on a 64-bit integer, causing undefined behavior that may lead to information disclosure or denial of service. …
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