CVE-2021-29939 describes an out-of-bounds write vulnerability in the Rust stackvector crate, specifically affecting versions through 2021-02-19, due to anomalous data provided by size_hint during a StackVec::extend operation. This vulnerability carries a CVSS score of 7.3 (HIGH), indicating it can be exploited remotely with low attack complexity, potentially leading to low impact on confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, no public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage, suggesting a low immediate threat.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.0.9CPE matchmatch criteria | cpe:2.3:a:stackvector_project:stackvector:*:*:*:*:*:rust:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.