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GHSA-2xpg-3hx4-fm9r

Out of bounds read in xcb

Source: GitHub Advisory Database (reviewed) Critical CVE-2021-26957

Packages

EcosystemPackageAffectedFixed in
crates.io xcb < 1.0.0 1.0.0

Details

As written in the advisory (Markdown source, shown as plain text).

An issue was discovered in the xcb crate through 2021-02-04 for Rust. It has a soundness violation because there is an out-of-bounds read in xcb::xproto::change_property(), as demonstrated by a format=32 T=u8 situation where out-of-bounds bytes are sent to an X server.

References

External links from the advisory. They lead to third-party sites.