An issue was discovered in the xcb crate through 2020-12-10 for Rust. base::Error does not have soundness. Because of the public ptr field, a use-after-free or double-free can occur.
The product calls free() twice on the same memory address.
Link | Tags |
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https://rustsec.org/advisories/RUSTSEC-2020-0097.html | vendor advisory exploit |