Is CVE-2021-43814 actively exploited?

CVE-2021-43814 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2021-43814?

CVE-2021-43814 has a CVSS score of 7.7 (HIGH severity). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H.

How do I patch CVE-2021-43814?

Patch guidance is available from rizin security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-43814.

Fix CVE-2021-43814 - HIGH rizin rizin

Description

Rizin is a UNIX-like reverse engineering framework and command-line toolset. In versions up to and including 0.3.1 there is a heap-based out of bounds write in parse_die() when reversing an AMD64 ELF binary with DWARF debug info. When a malicious AMD64 ELF binary is opened by a victim user, Rizin may crash or execute unintended actions. No workaround are known and users are advised to upgrade.

CVSS Metrics

Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Attack Vector: local
Complexity: high
Privileges: none
User Action: required
Scope: changed
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-787 · Out-of-bounds Write

Metadata

Primary Vendor: RIZIN
Published: 12/13/2021
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

rizin : rizin

Remediation Guidance

Executive Summary

Cite this page

CVE-2021-43814. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2021-43814

View on NIST NVD

CVE-2021-43814 vulnerability