CVE-2021-26305 is a critical vulnerability affecting the cdr crate before version 0.2.4 in Rust, specifically within the Deserializer::read_vec function. It allows a malicious user-provided Read implementation to access previously allocated heap memory, leading to a memory safety violation. With a CVSS score of 9.8, this vulnerability is remotely exploitable with low complexity and can result in complete compromise of confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.2.4CPE matchmatch criteria | cpe:2.3:a:cdr_project:cdr:*:*:*:*:*:rust:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.