{"id":"CVE-2017-14939","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-14939","generatedAt":"2026-10-29T02:44:06.205Z","title":"decode_line_info in dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, mishandles a length calculation, which allows remote attackers to cause a denial of service (heap-based buffer over-read and…","description":"decode_line_info in dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, mishandles a length calculation, which allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted ELF file, related to read_1_byte.","published":"2017-09-30T01:29:03.000Z","lastModified":"2026-06-17T01:07:01.000Z","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-125"],"affected":["gnu/binutils"],"epss":{"score":0.05941,"percentile":0.93228,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.11302,"percentile":0.9584},{"date":"2026-09-22","score":0.05941,"percentile":0.92937}]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2017-10-10","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":42970,"kind":"exploit","title":"binutils 2.29.51.20170921 - 'read_1_byte' Heap Buffer Overflow","url":"https://www.exploit-db.com/exploits/42970","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/dos/42970.txt","file":"exploits/linux/dos/42970.txt","published":"2017-10-10","added":"2017-10-10","updated":"2017-10-11","author":"Agostino Sarubbo","type":"dos","platform":"linux","port":null,"verified":false,"codes":["CVE-2017-14939"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://blogs.gentoo.org/ago/2017/09/26/binutils-heap-based-buffer-overflow-in-read_1_byte-dwarf2-c/"}]},"verdict":{"level":"high","text":"A public exploit is published in Exploit-DB, so the technical barrier is gone even though the severity is medium and EPSS is 5.9%. Treat it as high on anything reachable from the internet."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-21T00:00:00.000Z","detail":{"to":0.11302,"from":0.05941,"percentile":0.9584},"summary":"EPSS moved from 5.9% to 11.3% probability of exploitation in the next thirty days."}],"references":[{"url":"http://www.securityfocus.com/bid/101216","source":"cve@mitre.org"},{"url":"https://blogs.gentoo.org/ago/2017/09/26/binutils-heap-based-buffer-overflow-in-read_1_byte-dwarf2-c/","tags":["Patch","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://sourceware.org/bugzilla/show_bug.cgi?id=22169","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=515f23e63c0074ab531bc954f84ca40c6281a724","source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/42970/","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/101216","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://blogs.gentoo.org/ago/2017/09/26/binutils-heap-based-buffer-overflow-in-read_1_byte-dwarf2-c/","tags":["Patch","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://sourceware.org/bugzilla/show_bug.cgi?id=22169","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=515f23e63c0074ab531bc954f84ca40c6281a724","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/42970/","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-14939","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."}