CVE-2021-20284

medium

Description

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.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1937784

https://sourceware.org/bugzilla/show_bug.cgi?id=26931

https://security.netapp.com/advisory/ntap-20210521-0010/

https://security.gentoo.org/glsa/202208-30

Details

Source: MITRE

Published: 2021-03-26

Updated: 2023-02-12

Type: CWE-119

Risk Information

CVSS v2

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 5.5

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

Impact Score: 3.6

Exploitability Score: 1.8

Severity: MEDIUM