CVE-2021-25900
Buffer overflow in SmallVec::insert_many
9.8
CRITICAL
CVSS 3.1
EPSS 1.7%
Description
An issue was discovered in the smallvec crate before 0.6.14 and 1.x before 1.6.1 for Rust. There is a heap-based buffer overflow in SmallVec::insert_many.
How to fix CVE-2021-25900
To remediate CVE-2021-25900, upgrade the affected package to a fixed version below.
- crates.io/smallvec—upgrade to 0.6.14 or later
Is CVE-2021-25900 being exploited?
Low — EPSS is 1.7%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 0.6.3, < 0.6.14, >= 1.0.0, < 1.6.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |