GHSA-37jj-wp7g-7wj4

Read of uninitialized memory in cdr

Source: GitHub Advisory Database (reviewed) Critical CVE-2021-26305

Packages

Ecosystem	Package	Affected	Fixed in
crates.io	cdr	< 0.2.4	0.2.4

Details

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

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

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

https://nvd.nist.gov/vuln/detail/CVE-2021-26305 advisory
https://github.com/hrektts/cdr-rs/issues/10 web
https://github.com/hrektts/cdr-rs/pull/11 web
https://github.com/hrektts/cdr-rs/commit/0e6006de464caa331643f86cd2d9ba3b32b09833 web
https://github.com/hrektts/cdr-rs package
https://rustsec.org/advisories/RUSTSEC-2021-0012.html web