CVE-2020-36318

VecDeque::make_contiguous may duplicate the contained elements

Reported

December 7, 2020

Issued

April 13, 2021

Package

std

Type

Vulnerability

Categories

memory-corruption

Details

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-36318

Patched

>=1.49.0

Unaffected

<1.48.0

Description

In the standard library in Rust before 1.49.0, VecDeque::make_contiguous has a bug that pops the same element more than once under certain condition. This bug could result in a use-after-free or double free.