AIKIDO-2026-544238
imgref is vulnerable to Reliance on Undefined, Unspecified, or Implementation-Defined Behavior
42
Medium Risk
This Affects:
imgrefTL;DR
Two unsoundness bugs were fixed, both capable of causing Undefined Behavior: (1) ImgRef's buffer-size calculation now uses checked arithmetic, preventing integer overflow that could validate undersized buffers and cause out-of-bounds slice/iterator UB; (2) PixelsRefIter's Send impl was corrected to require T: Sync (since it yields &T), preventing a data race that constitutes UB when the iterator is sent across threads.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
imgref is vulnerable to Reliance on Undefined, Unspecified, or Implementation-Defined Behavior in versions 0.0.1 - 1.12.1.
How to fix this
Upgrade the imgref library to the patch version.
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