VULNERABILITY INTELLIGENCE
CVE-2021-20284
CVSS score5.5 MEDIUM
EPSS probability1.29%
CISA KEVNot currently listed
Published2021-03-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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.
Weakness classification
- secalert@redhat.com: CWE-119
- nvd@nist.gov: CWE-787
Primary references
- secalert@redhat.com — Exploit, Issue Tracking, Third Party Advisory
- secalert@redhat.com — Third Party Advisory
- secalert@redhat.com — Third Party Advisory
- secalert@redhat.com — Exploit, Issue Tracking, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Third Party Advisory