CVE-2021-26305: Read of uninitialized memory in cdr

August 25, 2021

An issue was discovered in Deserializer::read_vec in the cdr crate before 0.2.4 for Rust. A user-provided Read implementation can gain access to the old contents of newly allocated heap memory, violating soundness.

References

github.com/advisories/GHSA-37jj-wp7g-7wj4
github.com/hrektts/cdr-rs
github.com/hrektts/cdr-rs/commit/0e6006de464caa331643f86cd2d9ba3b32b09833
github.com/hrektts/cdr-rs/issues/10
github.com/hrektts/cdr-rs/pull/11
nvd.nist.gov/vuln/detail/CVE-2021-26305
rustsec.org/advisories/RUSTSEC-2021-0012.html

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