GitHub Advisoryadvisory · crates.io

GHSA-vfqx-hv88-f9cv Double-free in id-map

CRITICAL Published 2021-08-25 Modified 2023-06-13 Official page ↗
Aliases
CVE-2021-30456
Ecosystem
crates.io
Packages
id-map
Severity
Critical
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-415
Reviewed
2021-08-19

Affected packages

• crates.io id-map: <= 0.2.1 (no fix yet)

Description

A double free can occur in get_or_insert upon a panic of a user-provided f function. get_or_insert reserves space for a value, before calling the user provided insertion function f. If the function f panics then uninitialized or previously freed memory can be dropped.

Related

Alias · CVE (1)

  • CVE-2021-30456 An issue was discovered in the id-map crate through 2021-02-26 for Rust. vulnerability

Weakness · CWE (1)

References