{"id":"CVE-2021-3569","aliases":["DEBIAN-CVE-2021-3569","EUVD-2021-26879","GHSA-ppc8-jm88-74j3","UBUNTU-CVE-2021-3569"],"status":"published","title":"A stack corruption bug was found in libtpms in versions before 0.7.2 and before 0.8.0 while...","description":"A stack corruption bug was found in libtpms in versions before 0.7.2 and before 0.8.0 while decrypting data using RSA. This flaw could result in a SIGBUS (bad memory access) and termination of swtpm. The highest threat from this vulnerability is to system availability.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00259,"percentile":0.17739,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119","CWE-120","CWE-787"],"published":"2021-06-03T11:05:49Z","modified":"2026-10-24T10:30:42Z","fixes":[{"ecosystem":"Debian:12","package":"libtpms","fixed_in":["0.8.2-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"libtpms","fixed_in":["0.8.2-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"libtpms","fixed_in":["0.8.2-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"libtpms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.2-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"libtpms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.2-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"libtpms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.2-1"}]}]}],"products":[{"vendor":"libtpms_project","product":"libtpms"},{"vendor":"redhat","product":"enterprise_linux"},{"vendor":"stefanberger","product":"libtpms"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1964358","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3569"},{"url":"https://github.com/advisories/GHSA-ppc8-jm88-74j3"},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-3569","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-3569","tags":["report"]},{"url":"https://github.com/stefanberger/libtpms/commit/505ef841c00b4c096b1977c667cb957bec3a1d8b","tags":["report"]},{"url":"https://github.com/stefanberger/libtpms/commit/40cfe134c017d3aeaaed05ce71eaf9bfbe556b16","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-3569","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-3569","description":"A stack corruption bug was found in libtpms in versions before 0.7.2 and before 0.8.0 while decrypting data using RSA. This flaw could result in a SIGBUS (bad memory access) and termination of swtpm. The highest threat from this vulnerability is to system availability.","status":"published","published":"2021-06-03T11:05:49Z","modified":"2024-08-03T17:01:07.692Z","cwes":["CWE-120"],"updated_at":"2026-11-02T14:33:04.020035Z"}],"euvd":[{"id":"EUVD-2021-26879","description":"A stack corruption bug was found in libtpms in versions before 0.7.2 and before 0.8.0 while decrypting data using RSA. This flaw could result in a SIGBUS (bad memory access) and termination of swtpm. The highest threat from this vulnerability is to system availability.","status":"published","published":"2021-06-03T11:05:49Z","modified":"2024-08-03T17:01:07Z","updated_at":"2026-11-03T03:25:12.535968Z"}],"ghsa":[{"id":"GHSA-ppc8-jm88-74j3","title":"A stack corruption bug was found in libtpms in versions before 0.7.2 and before 0.8.0 while...","description":"A stack corruption bug was found in libtpms in versions before 0.7.2 and before 0.8.0 while decrypting data using RSA. This flaw could result in a SIGBUS (bad memory access) and termination of swtpm. The highest threat from this vulnerability is to system availability.","status":"published","published":"2022-05-24T19:03:58Z","modified":"2023-01-28T05:08:09Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-119","CWE-120","CWE-787"],"updated_at":"2026-11-02T14:44:36.474417Z"}],"nvd":[{"id":"CVE-2021-3569","description":"A stack corruption bug was found in libtpms in versions before 0.7.2 and before 0.8.0 while decrypting data using RSA. This flaw could result in a SIGBUS (bad memory access) and termination of swtpm. The highest threat from this vulnerability is to system availability.","status":"published","published":"2021-06-03T12:15:07.827Z","modified":"2026-06-17T04:05:21.577Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-120","CWE-787"],"updated_at":"2026-11-02T14:06:53.987491Z"}],"osv":[{"id":"CVE-2021-3569","description":"A stack corruption bug was found in libtpms in versions before 0.7.2 and before 0.8.0 while decrypting data using RSA. This flaw could result in a SIGBUS (bad memory access) and termination of swtpm. The highest threat from this vulnerability is to system availability.","status":"published","published":"2021-06-03T12:15:07.827Z","modified":"2026-10-24T10:30:42.922155927Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:20.13324Z"},{"id":"DEBIAN-CVE-2021-3569","description":"A stack corruption bug was found in libtpms in versions before 0.7.2 and before 0.8.0 while decrypting data using RSA. This flaw could result in a SIGBUS (bad memory access) and termination of swtpm. The highest threat from this vulnerability is to system availability.","status":"published","published":"2021-06-03T12:15:07.827Z","modified":"2026-10-23T18:03:29.097228147Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:35.233346Z"},{"id":"UBUNTU-CVE-2021-3569","description":"A stack corruption bug was found in libtpms in versions before 0.7.2 and before 0.8.0 while decrypting data using RSA. This flaw could result in a SIGBUS (bad memory access) and termination of swtpm. The highest threat from this vulnerability is to system availability.","status":"withdrawn","published":"2021-06-03T12:15:00Z","modified":"2025-07-16T07:42:54.874601Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:27.870979Z"}]}}