CVE-2021-4021

NameCVE-2021-4021
DescriptionA vulnerability was found in Radare2 in versions prior to 5.6.2, 5.6.0, 5.5.4 and 5.5.2. Mapping a huge section filled with zeros of an ELF64 binary for MIPS architecture can lead to uncontrolled resource consumption and DoS.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1014490

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
radare2 (PTS)jessie0.9.6-3.1+deb8u1vulnerable
sid, trixie5.9.4+dfsg-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
radare2sourcejessie(unfixed)end-of-life
radare2source(unstable)5.9.0+dfsg-11014490

Notes

https://github.com/radareorg/radare2/issues/19436
https://github.com/radareorg/radare2/commit/3fed0e322d9374891a3412811e5270dc535cea02

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