{"id":"CVE-2017-15023","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-15023","generatedAt":"2026-10-28T20:10:09.901Z","title":"read_formatted_entries in dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, does not properly validate the format count, which allows remote attackers to cause a denial of service (NULL pointer…","description":"read_formatted_entries in dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, does not properly validate the format count, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted ELF file, related to concat_filename.","published":"2017-10-05T01:29:06.000Z","lastModified":"2026-06-17T01:07:09.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},"cwe":["CWE-476"],"affected":["gnu/binutils"],"epss":{"score":0.02091,"percentile":0.81521,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.0372,"percentile":0.89317},{"date":"2026-09-22","score":0.02091,"percentile":0.80799}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (2.09%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/101611","source":"cve@mitre.org"},{"url":"https://blogs.gentoo.org/ago/2017/10/03/binutils-null-pointer-dereference-in-concat_filename-dwarf2-c/","tags":["Patch","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://security.gentoo.org/glsa/201801-01","source":"cve@mitre.org"},{"url":"https://sourceware.org/bugzilla/show_bug.cgi?id=22200","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=c361faae8d964db951b7100cada4dcdc983df1bf","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/101611","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://blogs.gentoo.org/ago/2017/10/03/binutils-null-pointer-dereference-in-concat_filename-dwarf2-c/","tags":["Patch","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/201801-01","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://sourceware.org/bugzilla/show_bug.cgi?id=22200","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=c361faae8d964db951b7100cada4dcdc983df1bf","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-15023","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}