CVE-2026-81881

Name
CVE-2026-81881
Description
radare2 is a UNIX-like reverse engineering framework and command-line toolset. Prior to 6.2.0, radare2's Mach-O Swift field-metadata parser was vulnerable because a relative Swift field pointer could be lower than the field-metadata section base, making subtraction produce a negative logical index. The vulnerability is triggered by parsing Swift type and class metadata from a crafted Mach-O file. The derived index was used to read four bytes immediately before the allocated field-metadata buffer. This can cause incorrect metadata processing or process termination; no attacker-observable memory disclosure has been demonstrated. This issue is fixed in version 6.2.0.
NVD Severity
unknown
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
security-advisories@github.com https://github.com/radareorg/radare2/commit/1da6e782df220edf56138ef5fe4f33745b04db74
security-advisories@github.com https://github.com/radareorg/radare2/issues/26229
security-advisories@github.com https://github.com/radareorg/radare2/releases/tag/6.2.0
security-advisories@github.com https://github.com/radareorg/radare2/security/advisories/GHSA-q4w7-225g-64j9

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:radare:radare2:*:*:*:*:*:*:*:* radare2 >= None < 6.2.0

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
radare2 edge-community 6.1.8-r0 omni <omni+alpine@hack.org> possibly vulnerable
radare2 edge-community 6.1.6-r0 omni <omni+alpine@hack.org> possibly vulnerable
radare2 edge-community 6.1.4-r0 omni <omni+alpine@hack.org> possibly vulnerable
radare2 edge-community 6.1.2-r0 omni <omni+alpine@hack.org> possibly vulnerable
radare2 edge-community 6.0.8-r0 omni <omni+alpine@hack.org> possibly vulnerable
radare2 edge-community 6.0.7-r0 omni <omni+alpine@hack.org> possibly vulnerable
radare2 edge-community 6.0.4-r0 omni <omni+alpine@hack.org> possibly vulnerable
radare2 edge-community 5.9.8-r0 omni <omni+alpine@hack.org> possibly vulnerable
radare2 edge-community 5.8.2-r0 Valery Kartel <valery.kartel@gmail.com> possibly vulnerable
radare2 edge-community 5.8.0-r0 Valery Kartel <valery.kartel@gmail.com> possibly vulnerable
radare2 edge-community 5.7.2-r0 Valery Kartel <valery.kartel@gmail.com> possibly vulnerable
radare2 edge-community 5.7.0-r0 Valery Kartel <valery.kartel@gmail.com> possibly vulnerable
radare2 edge-community 5.6.8-r0 Valery Kartel <valery.kartel@gmail.com> possibly vulnerable
radare2 edge-community 5.6.6-r0 Valery Kartel <valery.kartel@gmail.com> possibly vulnerable
radare2 edge-community 5.6.4-r0 Valery Kartel <valery.kartel@gmail.com> possibly vulnerable
radare2 edge-community 5.6.2-r0 Valery Kartel <valery.kartel@gmail.com> possibly vulnerable
radare2 edge-community 5.6.0-r0 Valery Kartel <valery.kartel@gmail.com> possibly vulnerable
radare2 edge-community 5.5.4-r0 Valery Kartel <valery.kartel@gmail.com> possibly vulnerable
radare2 edge-community 5.5.2-r0 Valery Kartel <valery.kartel@gmail.com> possibly vulnerable
radare2 edge-community 5.4.0-r0 Valery Kartel <valery.kartel@gmail.com> possibly vulnerable
radare2 edge-community 5.3.1-r0 Valery Kartel <valery.kartel@gmail.com> possibly vulnerable
radare2 edge-community 4.5.1-r0 None possibly vulnerable
radare2 edge-community 4.5.0-r0 None possibly vulnerable
radare2 edge-community 4.4.0-r0 None possibly vulnerable
radare2 edge-community 4.0.0-r0 None possibly vulnerable
radare2 edge-community 3.9.0-r0 None possibly vulnerable
radare2 3.24-community 6.1.6-r0 omni <omni+alpine@hack.org> possibly vulnerable