{"schemaVersion":3,"id":"CVE-2020-19724","aliases":["UBUNTU-CVE-2020-19724","DEBIAN-CVE-2020-19724"],"status":"published","duplicateOf":null,"title":null,"description":"A memory consumption issue in get_data function in binutils/nm.c in GNU nm before 2.34 allows attackers to cause a denial of service via crafted command.","dates":{"published":"2023-08-22T00:00:00.000Z","modified":"2024-10-04T16:26:45.910Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5.5,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":5.5,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","exploitability":4.6,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Debian","score":5.5,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","exploitability":4.6,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":5.5,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00298,"percentile":0.21064,"severity":"low","asOf":"2026-10-18T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-18T00:00:00.000Z","baselineScore":0.00298},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00298,"percentile":0.21064}],"last30":[{"date":"2026-09-18T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00298,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00298,"percentile":0.21064}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[{"id":"REF_1F593510354E9A9B","name":"Exploit Reference (sourceware.org)","source":"reference","url":"https://sourceware.org/bugzilla/show_bug.cgi?id=25362","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-401","name":"Missing Release of Memory after Effective Lifetime","description":"The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.","type":"weakness","status":"Draft","abstraction":"Variant","likelihoodOfExploit":"Medium","url":"https://cwe.mitre.org/data/definitions/401.html"}],"affected":[{"vendor":"debian","product":"binutils","name":"binutils","label":"binutils","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/binutils","purlType":"deb","versions":[{"text":"< 2.33.50.20200114-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.33.50.20200114-1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"binutils","name":"binutils","label":"binutils","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/binutils","purlType":"deb","versions":[{"text":"< 2.24-5ubuntu14.2+esm3","noFixRecorded":false,"fixedIn":null},{"text":"< 2.26.1-1ubuntu1~16.04.8+esm7","noFixRecorded":false,"fixedIn":null},{"text":"< 2.30-21ubuntu1~18.04.9+esm1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.24-5ubuntu14.2+esm3 | < 2.26.1-1ubuntu1~16.04.8+esm7 | < 2.30-21ubuntu1~18.04.9+esm1","eol":null,"hubHref":null},{"vendor":"gnu","product":"binutils","name":"binutils","label":"binutils","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 2.34","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.34","eol":null,"hubHref":"/vendor/gnu/binutils"}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://sourceware.org/bugzilla/show_bug.cgi?id=25362","label":"sourceware.org/bugzilla/show_bug.cgi?id=25362","hostname":"sourceware.org","tags":["REPORT","Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=805f38bc551de820bcd7b31d3c5731ae27cf853a","label":"sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=805f38bc551de820bcd7b31d3c5731ae27cf853a","hostname":"sourceware.org","tags":[]},{"url":"https://ubuntu.com/security/CVE-2020-19724","label":"ubuntu.com/security/CVE-2020-19724","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=805f38bc551de820bcd7b31d3c5731ae27cf853a","label":"sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=805f38bc551de820bcd7b31d3c5731ae27cf853a","hostname":"sourceware.org","tags":["REPORT"]},{"url":"https://ubuntu.com/security/notices/USN-6381-1","label":"ubuntu.com/security/notices/USN-6381-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-19724","label":"www.cve.org/CVERecord?id=CVE-2020-19724","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-19724","label":"security-tracker.debian.org/tracker/CVE-2020-19724","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["USN-6381-1"],"duplicates":[],"related":["USN-6381-1"]},"timeline":[{"kind":"published","date":"2023-08-22T00:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-10-04T16:26:45.910Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":32,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T06:23:48.717Z","stale":false,"partial":false}}