microsoft/onnxruntime v1.24.3

ONNX Runtime v1.24.3

Repository: microsoft/onnxruntime

Tag: v1.24.3

Published: 2026-03-05T19:00:05Z

Prerelease: no

Release notes: This is a patch release for ONNX Runtime 1.24, containing bug fixes, security improvements, performance enhancements, and execution provider updates.

Security Fixes

• Core: Fixed GatherCopyData integer truncation leading to heap out-of-bounds read/write. (#27444)
• Core: Fixed RoiAlign heap out-of-bounds read via unchecked batch_indices. (#27543)
• Core: Prevent heap OOB from maliciously crafted Lora Adapters. (#27518)
• Core: Fixed out-of-bounds access for Resize operation. (#27419)

Bug Fixes

• Core: Fixed GatherND division by zero when batch dimensions mismatch. (#27090)
• Core: Fixed validation for external data paths for models loaded from bytes. (#27430)
• Core: Fixed SkipLayerNorm fusion incorrectly applied when gamma/beta are not 1D. (#27459)
• Core: Fixed double-free in TRT EP custom op domain Release functions. (#27471)
• Core: Fixed QMoE CPU Operator. (#27360)
• Core: Fixed MatmulNBits prepacking scales. (#27412)
• Python: Fixed refcount bug in map input conversion that caused shutdown segfault. (#27413)
• NuGet: Fixed DllImportResolver. (#27397)
• NuGet: Added OrtEnv.DisableDllImportResolver to prevent fatal error on resolver conflict. (#27535)

Performance Improvements

• Core: QMoE CPU performance update (up to 4x on 4-bit). (#27364)
• Core: Fixed O(n²) model load time for TreeEnsemble with categorical feature chains. (#27391)

Execution Provider Updates

• NvTensorRtRtx EP:
• Avoid repetitive creation of fp4/fp8 native-custom-op domains. (#27192)
• Added missing override specifiers to suppress warnings. (#27288)
• DQ→MatMulNBits fusion transformer. (#27466)
• WebGPU:
• Used embedded WASM module in Blob URL workers when wasmBinary is provided. (#27318)
• Fixed usage of wasmBinary together with a blob URL for .mjs. (#27411)
• Removed the unhelpful "Unknown CPU vendor" warning. (#27399)
• Allows new memory info name for WebGPU. (#27475)
• MLAS:
• Added DynamicQGemm function pointers and ukernel interface. (#27403)
• Fixed error where bytes is not assigned for dynamic qgemm pack b size. (#27421)
• VitisAI EP: Removed s_kernel_registry_vitisaiep.reset() in deinitialize_vitisai_ep(). (#27295)
• Plugin EPs: Added "library_path" metadata entry to OrtEpDevice instances for plugin and provider bridge EPs. (#27522)

Build and Infrastructure

• Pipelines:
• Build Windows ARM64X binaries as part of packaging pipeline. (#27316)
• Moved JAR testing pipelines to canonical pipeline template. (#27480)
• Python: Enabled Python 3.14 CI and upgraded dependencies. (#27401)
• Build: Suppressed spurious Array Out of Bounds warnings produced by GCC 14.2 compiler on Linux builds. (#27454)
• Build: Fixed -Warray-bounds build error in MLAS on clang 17+. (#27499)
• Telemetry: Added/Updated telemetry events. (#27356)
• Config: Increased kMaxValueLength to 8192. (#27521)

Full Changelog: v1.24.2...v1.24.3

Contributors

@tianleiwu, @fs-eire, @adrianlizarraga, @yuslepukhin, @0-don, @anujj, @chaya2350, @chilo-ms, @dabhattimsft, @edgchen1, @eserscor, @hariharans29, @JonathanC-ARM, @lukas-folle-snkeos, @patryk-kaiser-ARM, @praneshgo, @skottmckay, @theHamsta, @vektah, @vishalpandya1990, @vthaniel, @xieofxie, @zz002