CVE-2021-43814

Heap-based OOB write when parsing dwarf DIE info in Rizin

HIGH
7.8
CVSS Score
Published: December 13, 2021 at 07:35 PM UTC
Updated: June 17, 2026 at 04:11 AM UTC
2 products affected across 2 vendorsRizinRizin

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Severity
HIGH7.8
Exploit prediction
EPSS 0.9%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-787

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