CWE
119 787
Advisory Published
CVE Published
Updated

CVE-2021-20284: Buffer Overflow

First published: Thu Mar 11 2021(Updated: )

A flaw was found in GNU Binutils 2.35.1, where there is a heap-based buffer overflow in _bfd_elf_slurp_secondary_reloc_section in elf.c due to the number of symbols not calculated correctly. The highest threat from this vulnerability is to system availability.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
GNU Binutils=2.35.1
Netapp Cloud Backup
NetApp ONTAP Select Deploy administration utility

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Frequently Asked Questions

  • What is CVE-2021-20284?

    CVE-2021-20284 is a vulnerability in GNU Binutils 2.35.1 that allows for a heap-based buffer overflow in _bfd_elf_slurp_secondary_reloc_section in elf.c.

  • What is the severity of CVE-2021-20284?

    The severity of CVE-2021-20284 is medium with a CVSS score of 5.5.

  • Which software versions are affected by CVE-2021-20284?

    GNU Binutils 2.35.1, Netapp Cloud Backup, and NetApp ONTAP Select Deploy administration utility are affected by CVE-2021-20284.

  • How can I fix the CVE-2021-20284 vulnerability?

    To fix the CVE-2021-20284 vulnerability, it is recommended to upgrade to a fixed version of GNU Binutils or apply the necessary patch provided by the vendor.

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