CVE-2021-27378

CRITICAL

Rust rand_core <0.6.2 - Info Disclosure

Title source: llm
STIX 2.1

Description

An issue was discovered in the rand_core crate before 0.6.2 for Rust. Because read_u32_into and read_u64_into mishandle certain buffer-length checks, a random number generator may be seeded with too little data.

References (1)

Scores

CVSS v3 9.8
EPSS 0.0047
EPSS Percentile 64.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-131
Status published
Products (2)
crates.io/rand_core 0.6.0 - 0.6.2crates.io
rand_core_project/rand_core 0.6.0 - 0.6.2
Published Feb 18, 2021
Tracked Since Feb 18, 2026