CVE-2021-29940

CRITICAL

Through < 2021-02-18 - Double Free

Title source: rule

Description

An issue was discovered in the through crate through 2021-02-18 for Rust. There is a double free (in through and through_and) upon a panic of the map function.

References (1)

[Exploit, Vendor Advisory] https://rustsec.org/advisories/RUSTSEC-2021-0049.html

Scores

CVSS v3 9.8

EPSS 0.0050

EPSS Percentile 65.8%

Attack Vector NETWORK

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

Classification

CWE

CWE-415

Status published

Affected Products (2)

through_project/through < 2021-02-18

crates.io/through crates.io

Timeline

Published Apr 01, 2021

Tracked Since Feb 18, 2026