{"id":"CVE-2020-27350","aliases":["DEBIAN-CVE-2020-27350","DLA-2487-1","DSA-4808-1","EUVD-2020-19862","GHSA-j2wg-wfjw-m5cq","UBUNTU-CVE-2020-27350","USN-4667-1","USN-4667-2"],"status":"published","title":"apt integer wraparound","description":"APT had several integer overflows and underflows while parsing .deb packages, aka GHSL-2020-168 GHSL-2020-169, in files apt-pkg/contrib/extracttar.cc, apt-pkg/deb/debfile.cc, and apt-pkg/contrib/arfile.cc. This issue affects: apt 1.2.32ubuntu0 versions prior to 1.2.32ubuntu0.2; 1.6.12ubuntu0 versions prior to 1.6.12ubuntu0.2; 2.0.2ubuntu0 versions prior to 2.0.2ubuntu0.2; 2.1.10ubuntu0 versions prior to 2.1.10ubuntu0.1;","severity":{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00378,"percentile":0.32194,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-190"],"published":"2020-12-09T00:00:00Z","modified":"2026-10-26T12:02:41Z","fixes":[{"ecosystem":"Debian:12","package":"apt","fixed_in":["2.1.13"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"apt","fixed_in":["2.1.13"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"apt","fixed_in":["2.1.13"],"sources":["osv"]},{"ecosystem":"Debian:9","package":"apt","fixed_in":["1.4.11"],"sources":["osv"]},{"ecosystem":"Debian:10","package":"apt","fixed_in":["1.8.2.2"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:14.04:LTS","package":"apt","fixed_in":["1.0.1ubuntu2.24+esm3"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"apt","fixed_in":["1.2.32ubuntu0.2"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"apt","fixed_in":["1.6.12ubuntu0.2"],"sources":["osv"]},{"ecosystem":"Ubuntu:20.04:LTS","package":"apt","fixed_in":["2.0.2ubuntu0.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"apt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.13"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"apt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.13"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"apt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.13"}]}]},{"source":"osv","ecosystem":"Debian:9","package":"apt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.11"}]}],"versions":["1.4.10","1.4.6","1.4.7","1.4.8","1.4.9"]},{"source":"osv","ecosystem":"Debian:10","package":"apt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.2.2"}]}],"versions":["1.8.2","1.8.2.1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"apt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.1ubuntu2.24+esm3"}]}],"versions":["0.9.9.1~ubuntu3","0.9.9.1~ubuntu4","0.9.9.1~ubuntu5","0.9.13~exp1ubuntu1","0.9.13~exp1ubuntu2","0.9.13~exp1ubuntu3","0.9.13.1~ubuntu1","0.9.14.1ubuntu1","0.9.14.1ubuntu2","0.9.15.1ubuntu1","0.9.15.4ubuntu1","0.9.15.4ubuntu2","0.9.15.4ubuntu3","0.9.15.4ubuntu4","0.9.15.4ubuntu5","1.0.1ubuntu2","1.0.1ubuntu2.1","1.0.1ubuntu2.3","1.0.1ubuntu2.4.1","1.0.1ubuntu2.5","1.0.1ubuntu2.6","1.0.1ubuntu2.7","1.0.1ubuntu2.8","1.0.1ubuntu2.9","1.0.1ubuntu2.10","1.0.1ubuntu2.11","1.0.1ubuntu2.12","1.0.1ubuntu2.13","1.0.1ubuntu2.14","1.0.1ubuntu2.15","1.0.1ubuntu2.17","1.0.1ubuntu2.18","1.0.1ubuntu2.19","1.0.1ubuntu2.20","1.0.1ubuntu2.22","1.0.1ubuntu2.23","1.0.1ubuntu2.24","1.0.1ubuntu2.24+esm1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"apt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.32ubuntu0.2"}]}],"versions":["1.0.10.2ubuntu1","1.1.4","1.1.5","1.1.10","1.2.3","1.2.4","1.2.6","1.2.7","1.2.8","1.2.9","1.2.10","1.2.10ubuntu1","1.2.12~ubuntu16.04.1","1.2.15","1.2.15ubuntu0.2","1.2.18","1.2.19","1.2.20","1.2.24","1.2.25","1.2.26","1.2.27","1.2.29","1.2.29ubuntu0.1","1.2.31","1.2.32","1.2.32ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"apt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.12ubuntu0.2"}]}],"versions":["1.5","1.5.1","1.6~alpha5","1.6~alpha7ubuntu1","1.6~alpha7ubuntu2","1.6~beta1","1.6~rc1","1.6","1.6.1","1.6.2","1.6.3","1.6.3ubuntu0.1","1.6.6","1.6.6ubuntu0.1","1.6.8","1.6.10","1.6.11","1.6.12","1.6.12ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"apt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.2ubuntu0.2"}]}],"versions":["1.9.4","1.9.5","1.9.7","1.9.8","1.9.9","1.9.10","2.0.0","2.0.1","2.0.1ubuntu1","2.0.2","2.0.2ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"apt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.32ubuntu0.2"}]}],"versions":["1.0.10.2ubuntu1","1.1.4","1.1.5","1.1.10","1.2.3","1.2.4","1.2.6","1.2.7","1.2.8","1.2.9","1.2.10","1.2.10ubuntu1","1.2.12~ubuntu16.04.1","1.2.15","1.2.15ubuntu0.2","1.2.18","1.2.19","1.2.20","1.2.24","1.2.25","1.2.26","1.2.27","1.2.29","1.2.29ubuntu0.1","1.2.31","1.2.32","1.2.32ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"apt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.12ubuntu0.2"}]}],"versions":["1.5","1.5.1","1.6~alpha5","1.6~alpha7ubuntu1","1.6~alpha7ubuntu2","1.6~beta1","1.6~rc1","1.6","1.6.1","1.6.2","1.6.3","1.6.3ubuntu0.1","1.6.6","1.6.6ubuntu0.1","1.6.8","1.6.10","1.6.11","1.6.12","1.6.12ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"apt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.2ubuntu0.2"}]}],"versions":["1.9.4","1.9.5","1.9.7","1.9.8","1.9.9","1.9.10","2.0.0","2.0.1","2.0.1ubuntu1","2.0.2","2.0.2ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"apt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.1ubuntu2.24+esm3"}]}],"versions":["0.9.9.1~ubuntu3","0.9.9.1~ubuntu4","0.9.9.1~ubuntu5","0.9.13~exp1ubuntu1","0.9.13~exp1ubuntu2","0.9.13~exp1ubuntu3","0.9.13.1~ubuntu1","0.9.14.1ubuntu1","0.9.14.1ubuntu2","0.9.15.1ubuntu1","0.9.15.4ubuntu1","0.9.15.4ubuntu2","0.9.15.4ubuntu3","0.9.15.4ubuntu4","0.9.15.4ubuntu5","1.0.1ubuntu2","1.0.1ubuntu2.1","1.0.1ubuntu2.3","1.0.1ubuntu2.4.1","1.0.1ubuntu2.5","1.0.1ubuntu2.6","1.0.1ubuntu2.7","1.0.1ubuntu2.8","1.0.1ubuntu2.9","1.0.1ubuntu2.10","1.0.1ubuntu2.11","1.0.1ubuntu2.12","1.0.1ubuntu2.13","1.0.1ubuntu2.14","1.0.1ubuntu2.15","1.0.1ubuntu2.17","1.0.1ubuntu2.18","1.0.1ubuntu2.19","1.0.1ubuntu2.20","1.0.1ubuntu2.22","1.0.1ubuntu2.23","1.0.1ubuntu2.24","1.0.1ubuntu2.24+esm1"]}],"products":[{"vendor":"canonical","product":"apt"},{"vendor":"debian","product":"advanced_package_tool"},{"vendor":"debian","product":"apt"},{"vendor":"netapp","product":"solidfire_baseboard_management_controller_firmware"}],"references":[{"url":"https://usn.ubuntu.com/usn/usn-4667-1","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory"]},{"url":"https://bugs.launchpad.net/bugs/1899193","tags":["x_refsource_MISC","x_transferred","Broken Link","web"]},{"url":"https://www.debian.org/security/2020/dsa-4808","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Vendor Advisory","advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20210108-0005/","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-27350"},{"url":"https://github.com/advisories/GHSA-j2wg-wfjw-m5cq"},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-27350","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-27350","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-4667-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/notices/USN-4667-2","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-27350","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-27350","title":"apt integer wraparound","description":"APT had several integer overflows and underflows while parsing .deb packages, aka GHSL-2020-168 GHSL-2020-169, in files apt-pkg/contrib/extracttar.cc, apt-pkg/deb/debfile.cc, and apt-pkg/contrib/arfile.cc. This issue affects: apt 1.2.32ubuntu0 versions prior to 1.2.32ubuntu0.2; 1.6.12ubuntu0 versions prior to 1.6.12ubuntu0.2; 2.0.2ubuntu0 versions prior to 2.0.2ubuntu0.2; 2.1.10ubuntu0 versions prior to 2.1.10ubuntu0.1;","status":"published","published":"2020-12-10T04:05:18.456Z","modified":"2024-09-17T04:29:18.208Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:35:53.552996Z"}],"euvd":[{"id":"EUVD-2020-19862","description":"APT had several integer overflows and underflows while parsing .deb packages, aka GHSL-2020-168 GHSL-2020-169, in files apt-pkg/contrib/extracttar.cc, apt-pkg/deb/debfile.cc, and apt-pkg/contrib/arfile.cc. This issue affects: apt 1.2.32ubuntu0 versions prior to 1.2.32ubuntu0.2; 1.6.12ubuntu0 versions prior to 1.6.12ubuntu0.2; 2.0.2ubuntu0 versions prior to 2.0.2ubuntu0.2; 2.1.10ubuntu0 versions prior to 2.1.10ubuntu0.1;","status":"published","published":"2020-12-10T04:05:18Z","modified":"2024-09-17T04:29:18Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-03T00:28:22.706109Z"}],"ghsa":[{"id":"GHSA-j2wg-wfjw-m5cq","title":"APT had several integer overflows and underflows while parsing .deb packages, aka GHSL-2020-168...","description":"APT had several integer overflows and underflows while parsing .deb packages, aka GHSL-2020-168 GHSL-2020-169, in files apt-pkg/contrib/extracttar.cc, apt-pkg/deb/debfile.cc, and apt-pkg/contrib/arfile.cc. This issue affects: apt 1.2.32ubuntu0 versions prior to 1.2.32ubuntu0.2; 1.6.12ubuntu0 versions prior to 1.6.12ubuntu0.2; 2.0.2ubuntu0 versions prior to 2.0.2ubuntu0.2; 2.1.10ubuntu0 versions prior to 2.1.10ubuntu0.1;","status":"published","published":"2022-05-24T17:35:57Z","modified":"2023-01-30T05:01:26Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:46:24.524248Z"}],"nvd":[{"id":"CVE-2020-27350","description":"APT had several integer overflows and underflows while parsing .deb packages, aka GHSL-2020-168 GHSL-2020-169, in files apt-pkg/contrib/extracttar.cc, apt-pkg/deb/debfile.cc, and apt-pkg/contrib/arfile.cc. This issue affects: apt 1.2.32ubuntu0 versions prior to 1.2.32ubuntu0.2; 1.6.12ubuntu0 versions prior to 1.6.12ubuntu0.2; 2.0.2ubuntu0 versions prior to 2.0.2ubuntu0.2; 2.1.10ubuntu0 versions prior to 2.1.10ubuntu0.1;","status":"published","published":"2020-12-10T04:15:11.423Z","modified":"2026-06-17T03:09:09.723Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L","level":"medium","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:06:27.10541Z"}],"osv":[{"id":"CVE-2020-27350","description":"APT had several integer overflows and underflows while parsing .deb packages, aka GHSL-2020-168 GHSL-2020-169, in files apt-pkg/contrib/extracttar.cc, apt-pkg/deb/debfile.cc, and apt-pkg/contrib/arfile.cc. This issue affects: apt 1.2.32ubuntu0 versions prior to 1.2.32ubuntu0.2; 1.6.12ubuntu0 versions prior to 1.6.12ubuntu0.2; 2.0.2ubuntu0 versions prior to 2.0.2ubuntu0.2; 2.1.10ubuntu0 versions prior to 2.1.10ubuntu0.1;","status":"published","published":"2020-12-10T04:15:11.423Z","modified":"2026-03-15T22:35:30.431957Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:44:16.248747Z"},{"id":"DEBIAN-CVE-2020-27350","description":"APT had several integer overflows and underflows while parsing .deb packages, aka GHSL-2020-168 GHSL-2020-169, in files apt-pkg/contrib/extracttar.cc, apt-pkg/deb/debfile.cc, and apt-pkg/contrib/arfile.cc. This issue affects: apt 1.2.32ubuntu0 versions prior to 1.2.32ubuntu0.2; 1.6.12ubuntu0 versions prior to 1.6.12ubuntu0.2; 2.0.2ubuntu0 versions prior to 2.0.2ubuntu0.2; 2.1.10ubuntu0 versions prior to 2.1.10ubuntu0.1;","status":"published","published":"2020-12-10T04:15:11.423Z","modified":"2026-10-26T12:02:41.660477024Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:45:33.729655Z"},{"id":"UBUNTU-CVE-2020-27350","description":"APT had several integer overflows and underflows while parsing .deb packages, aka GHSL-2020-168 GHSL-2020-169, in files apt-pkg/contrib/extracttar.cc, apt-pkg/deb/debfile.cc, and apt-pkg/contrib/arfile.cc. This issue affects: apt 1.2.32ubuntu0 versions prior to 1.2.32ubuntu0.2; 1.6.12ubuntu0 versions prior to 1.6.12ubuntu0.2; 2.0.2ubuntu0 versions prior to 2.0.2ubuntu0.2; 2.1.10ubuntu0 versions prior to 2.1.10ubuntu0.1;","status":"published","published":"2020-12-09T00:00:00Z","modified":"2026-04-22T12:36:31.704658Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L","level":"medium"},{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:54:24.541803Z"},{"id":"DLA-2487-1","title":"apt - security update","status":"published","published":"2020-12-10T00:00:00Z","modified":"2026-03-09T01:19:44.508056Z","updated_at":"2026-11-02T15:46:10.712745Z"},{"id":"DSA-4808-1","title":"apt - security update","status":"published","published":"2020-12-09T00:00:00Z","modified":"2026-03-09T02:11:17.119108Z","updated_at":"2026-11-02T15:46:17.19998Z"},{"id":"USN-4667-1","title":"apt vulnerability","description":"Kevin Backhouse discovered that APT incorrectly handled certain packages.\nA local attacker could possibly use this issue to cause APT to crash or\nstop responding, resulting in a denial of service.\n","status":"published","published":"2020-12-09T16:30:18Z","modified":"2026-04-22T10:10:51.589973Z","updated_at":"2026-11-02T16:58:15.159055Z"},{"id":"USN-4667-2","title":"apt vulnerability","description":"USN-4667-1 fixed a vulnerability in APT. This update provides\nthe corresponding update for Ubuntu 14.04 ESM.\n\nOriginal advisory details:\n\n Kevin Backhouse discovered that APT incorrectly handled certain packages.\n A local attacker could possibly use this issue to cause APT to crash or\n stop responding, resulting in a denial of service.\n","status":"published","published":"2021-01-11T17:42:12Z","modified":"2026-04-22T10:10:56.420536Z","updated_at":"2026-11-02T16:58:15.159055Z"}]}}