CVE-2021-31162

Publication date 14 April 2021

Last updated 26 August 2025

Ubuntu priority

Cvss 3 Severity Score

In the standard library in Rust before 1.52.0, a double free can occur in the Vec::from_iter function if freeing the element panics.

Show unmaintained releases

Package	Ubuntu Release	Status
rustc	26.04 LTS resolute	Not in release
	25.10 questing	Not in release
	25.04 plucky	Not in release
	24.10 oracular	Not in release
	24.04 LTS noble	Not affected
	23.10 mantic	Not affected
	23.04 lunar	Not affected
	22.10 kinetic	Ignored end of life, was needed
	22.04 LTS jammy	Fixed 1.53.0+dfsg1+llvm-4ubuntu1
	21.10 impish	Ignored end of life
	21.04 hirsute	Ignored end of life
	20.10 groovy	Ignored end of life
	20.04 LTS focal	Fixed 1.53.0+dfsg1+llvm-4ubuntu1~20.04.1
	18.04 LTS bionic	Not affected
	16.04 LTS xenial	Ignored end of standard support, was needed
	14.04 LTS trusty	Vulnerable

CVSS version: CVSS v3.0

Base score 9.8 · Critical

Base metrics

Scores

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