🛡️ CVE-2026-31053 — rizin

🟡 CVSS 6.2 — Medium ⚠️ Exploit Public CWE-415 NVD
6.2
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

A double free vulnerability exists in librz/bin/format/le/le.c in the function le_load_fixup_record(). When processing malformed or circular LE fixup chains, relocation entries may be freed multiple times during error handling. A specially crafted LE binary can trigger heap corruption and cause the application to crash, resulting in a denial-of-service condition. An attacker with a crafted binary could cause a denial of service when the tool is integrated on a service pipeline.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

CVE-2026-31053 is classified as CWE-415: Double Free. The same allocation is released twice, corrupting allocator bookkeeping.

Affected software

CVE-2026-31053 is recorded against 1 package.

  • rizin

Timeline and source

Published on 6 April 2026 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com
github.com

Details

Severity MEDIUM
CVSS Score 6.2
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-415
Public Exploit ⚠️ Yes
Source NVD
Published 2026-04-06
Updated 2026-08-11
Modified 2026-06-17

Affected Packages

Software From version Fixed in
rizin — —

References

Exploit, Issue Tracking, Third Party Advisory https://github.com/rizinorg/rizin/issues/5753

Similar Threats

Exploit Protection

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CVE-2026-31053 carries CVSS 6.2 Medium rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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