Use after free and double free in bitvec · CVE-2020-35862 · GitHub Advisory Database · GitHub

Use after free and double free in bitvec

Critical severity GitHub Reviewed Published Aug 25, 2021 to the GitHub Advisory Database • Updated Jun 13, 2023

Package

bitvec (Rust)

Affected versions

>= 0.11.0, < 0.17.4

Patched versions

0.17.4

Description

An issue was discovered in the bitvec crate before 0.17.4 for Rust. BitVec to BitBox conversion leads to a use-after-free or double free.

References

Reviewed Aug 19, 2021

Published to the GitHub Advisory Database Aug 25, 2021

Last updated Jun 13, 2023

Severity

Critical

9.8

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

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