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This can be resolved by rebuilding uv with rust-slab 0.4.11 or later, bug 2387215, https://github.com/advisories/GHSA-qx2v-8332-m4fv.
Fabio Valentini has analyzed the packages that depend on rust-slab in Fedora and determined that nothing actually uses the affected API, Slab::get_disjoint_mut. The rust-slab package will still be updated, since something might start using the API in the future, but we don’t need to rebuild packages like uv specifically for this issue.