Critical severity9.8NVD Advisory· Published Jan 29, 2021· Updated Jun 17, 2026
CVE-2021-26305
CVE-2021-26305
Description
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
cdrcrates.io | < 0.2.4 | 0.2.4 |
Affected products
3- cdr crate/cdr cratedescription
Patches
Vulnerability mechanics
References
6- rustsec.org/advisories/RUSTSEC-2021-0012.htmlnvdExploitVendor AdvisoryWEB
- github.com/advisories/GHSA-37jj-wp7g-7wj4ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-26305ghsaADVISORY
- github.com/hrektts/cdr-rs/commit/0e6006de464caa331643f86cd2d9ba3b32b09833ghsaWEB
- github.com/hrektts/cdr-rs/issues/10ghsaWEB
- github.com/hrektts/cdr-rs/pull/11ghsaWEB
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