CVE-2021-29939

Published: Apr 1, 2021Modified: Jun 17, 2026

7.3

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Exploitability: 3.9 / Impact: 3.4

Source: NVD

Description

An issue was discovered in the stackvector crate through 2021-02-19 for Rust. There is an out-of-bounds write in StackVec::extend if size_hint provides certain anomalous data.

Affected (1)

Products: Stackvector Project: Stackvector

Stackvector Project

1 product

Stackvector

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Stackvector Project Stackvector	Before 1.0.9

Related CWEs

CWE-787

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (2)

https://rustsec.org/advisories/RUSTSEC-2021-0048.html

Source: cve@mitre.org

ExploitVendor Advisory

https://rustsec.org/advisories/RUSTSEC-2021-0048.html

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitVendor Advisory

Timeline

No history available yet.