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Unscored CVE-2021-4021 EUVD-2021-33924GHSA-4g55-4fxv-2g82

A 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 ELF…

Published Feb 24, 2022 · Updated Aug 3, 2024 · Assigned by fedora

Description

A 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.

Affected products

VendorProductAffectedFixed
— radare2 radare2 5.6.2, radare2 5.6.0, radare2 5.5.4 and radare2 5.5.2 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Ubuntu 26.10 radare2 No fix yet —
Ubuntu 26.04 LTS radare2 No fix yet —
Ubuntu 25.10 radare2 No fix yet —
Ubuntu 16.04 LTS radare2 No fix yet —
Show 3 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro 24.04 LTS radare2 No fix yet —
Ubuntu Pro 20.04 LTS radare2 No fix yet —
Ubuntu Pro 18.04 LTS radare2 No fix yet —
ReleasePackageFixed inAdvisory
Alpine v3.24 radare2 5.5.2-r0 —
Alpine v3.23 radare2 5.5.2-r0 —
Alpine v3.22 radare2 5.5.2-r0 —
Alpine v3.21 radare2 5.5.2-r0 —
Alpine v3.20 radare2 5.5.2-r0 —
Show 2 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Alpine v3.19 radare2 5.5.2-r0 —
Alpine v3.18 radare2 5.5.2-r0 —

References