critical9.8
CVE-2021-26305
Read of uninitialized memory in cdr
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| rust | cdr | < 0.2.4 | 0.2.4 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Cdr Project | Cdr | before 0.2.4 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://rustsec.org/advisories/RUSTSEC-2021-0012.html
- https://github.com/advisories/GHSA-37jj-wp7g-7wj4
- https://nvd.nist.gov/vuln/detail/CVE-2021-26305
- https://github.com/hrektts/cdr-rs/issues/10
- https://github.com/hrektts/cdr-rs/pull/11
- https://github.com/hrektts/cdr-rs/commit/0e6006de464caa331643f86cd2d9ba3b32b09833