{"id":"UBUNTU-CVE-2021-20284","details":"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vulnerability is to system availability.","modified":"2025-07-16T07:54:50.740335Z","published":"2021-03-26T17:15:00Z","withdrawn":"2025-07-18T16:46:36Z","upstream":["CVE-2021-20284"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-20284"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-20284"}],"affected":[{"package":{"name":"binutils","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/binutils@2.38-2ubuntu1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.38-2ubuntu1"}]}],"versions":["2.37-7ubuntu1","2.37-9ubuntu1","2.37-10ubuntu1","2.37.50.20220106-2ubuntu1","2.37.90.20220126-0ubuntu1","2.37.90.20220130-0ubuntu2","2.38-1ubuntu1"],"ecosystem_specific":{"availability":"No subscription 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