{"id":"CVE-2018-18606","details":"An issue was discovered in the merge_strings function in merge.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.31. There is a NULL pointer dereference in _bfd_add_merge_section when attempting to merge sections with large alignments. A specially crafted ELF allows remote attackers to cause a denial of service, as demonstrated by ld.","modified":"2026-03-20T11:28:16.669995Z","published":"2018-10-23T17:29:00.517Z","related":["SUSE-SU-2019:2650-1","SUSE-SU-2019:2779-1","SUSE-SU-2019:2780-1","openSUSE-SU-2019:2415-1","openSUSE-SU-2019:2432-1","openSUSE-SU-2024:10651-1"],"references":[{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html"},{"type":"WEB","url":"https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=45a0eaf77022963d639d6d19871dbab7b79703fc"},{"type":"WEB","url":"https://usn.ubuntu.com/4336-1/"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/105754"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20190307-0003/"},{"type":"REPORT","url":"https://sourceware.org/bugzilla/show_bug.cgi?id=23806"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://sourceware.org/git/binutils-gdb.git","events":[{"introduced":"0"},{"last_affected":"af127c216949509e57ab2a28cc56c44e4e548813"},{"introduced":"0"},{"last_affected":"a17fcd19400181f4b8b45be7715337ed83d7a122"},{"introduced":"0"},{"last_affected":"1f1c02597cc199227226251a2ea51fe5f44b4d6d"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"2.31"},{"introduced":"0"},{"last_affected":"7.0"},{"introduced":"0"},{"last_affected":"8.0"}]}}],"versions":["binu_ss_19990502","binutils-2_31","gdb-4_18-branchpoint","gdb-7.10-branchpoint","gdb-7.11-branchpoint","gdb-7.12-branchpoint","gdb-7.7-branchpoint","gdb-7.8-branchpoint","gdb-7.9-branchpoint","gdb-8.0-branchpoint","gdb-8.1-branchpoint","gdb_5_2-branchpoint","gdb_5_3-branchpoint","gdb_6_0-branchpoint","gdb_6_1-branchpoint","gdb_6_2-branchpoint","gdb_6_3-branchpoint","gdb_6_4-branchpoint","gdb_6_5-branchpoint","gdb_6_6-branchpoint","gdb_6_7-branchpoint","gdb_6_8-branchpoint","gdb_7_0-branchpoint","gdb_7_1-branchpoint","gdb_7_2-branchpoint","gdb_7_3-branchpoint","gdb_7_4-branchpoint","gdb_7_5-branchpoint","gdb_7_6-branchpoint","readline_4_0","users/ARM/embedded-binutils-master-2016q4","users/ARM/embedded-binutils-master-2017q4","users/ARM/embedded-gdb-master-2017q4"],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"9.0"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-18606.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}