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CVE-2021-45690 — Use of Uninitialized Resource in messagepack-rs —...

CRITICAL

Use of Uninitialized Resource in messagepack-rs.

Published January 6, 2022Updated March 15, 2024Source: osv

Summary

An issue was discovered in the messagepack-rs crate through 2021-01-26 for Rust. deserialize_extension_others may read from uninitialized memory locations.

Advisory Timeline

  • First published January 6, 2022 (1740 days ago).
  • Last revised March 15, 2024 — 798 days after initial publication.

Affected Packages (1)

Affects 1 ecosystem: crates.io (1).

PackageEcosystemAffectedFixed In
messagepack-rs
crates.io
All versionsRange-based data available

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

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

References

Frequently Asked Questions

What is CVE-2021-45690?
Use of Uninitialized Resource in messagepack-rs. This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2021-45690?
CVE-2021-45690 affects messagepack-rs. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2021-45690 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-hr52-f9vp-582c
CVE-2021-45691
CVE-2021-45692
CVE-2021-45693
GHSA-jqjj-r4qp-x2gh
GHSA-jwfh-j623-m97h
GHSA-m325-rxjv-pwph
GHSA-vw5m-qw2r-m923
RUSTSEC-2021-0092

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