CVE-2026-81885

5.5 MEDIUMpublic exploit available

Published 2026-09-22 · Updated 2026-09-28

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD description

radare2 is a UNIX-like reverse engineering framework and command-line toolset. Prior to 6.2.0, radare2's NE relocation fixup-chain parser was vulnerable because the NE relocation parser followed fixup chains without an active iteration limit or cycle detection. The vulnerability is triggered by opening a crafted NE executable whose in-bounds relocation entry points back to itself instead of reaching 0xffff. The parser repeatedly processed the same relocation and allocated another relocation object on each iteration. This can cause denial of service through continuous CPU and memory consumption. This issue is fixed in version 6.2.0.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weaknesses

CWE-770, CWE-835

Vendors

radare

Products

radare2

Public exploit & PoC references

https://github.com/radareorg/radare2/commit/93d794caa7c2f08413106255d49546e544c1f9f0[Patch]
https://github.com/radareorg/radare2/issues/26225[Exploit, Issue Tracking, Mitigation, Vendor Advisory]
https://github.com/radareorg/radare2/pull/26192[Patch]
https://github.com/radareorg/radare2/releases/tag/6.2.0[Release Notes]
https://github.com/radareorg/radare2/security/advisories/GHSA-43wr-4j49-rcxj[Patch, Vendor Advisory]
https://github.com/radareorg/radare2/issues/26225[Exploit, Issue Tracking, Mitigation, Vendor Advisory]

All references

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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