AUGUST 4, 2026
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Case File

CVE-2021-29939

HIGH · CVSS 7.3 EPSS 1.03%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-04-01 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.3. See the original NVD description below for full technical details.

CVE
CVE-2021-29939
Severity
HIGH
CVSS
7.3
EPSS
1.03%

Original 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.