{"id":"CVE-2020-36619","aliases":["DEBIAN-CVE-2020-36619","EUVD-2020-24079","GHSA-7838-j28v-c2rp","UBUNTU-CVE-2020-36619","openSUSE-SU-2022:10253-1","openSUSE-SU-2023:0004-1"],"status":"published","title":"multimon-ng demod_flex.c add_ch format string","description":"A vulnerability was found in multimon-ng. It has been rated as critical. This issue affects the function add_ch of the file demod_flex.c. The manipulation of the argument ch leads to format string. Upgrading to version 1.2.0 is able to address this issue. The name of the patch is e5a51c508ef952e81a6da25b43034dd1ed023c07. It is recommended to upgrade the affected component. The identifier VDB-216269 was assigned to this vulnerability.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00965,"percentile":0.61973,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119","CWE-134"],"published":"2022-12-19T00:00:00Z","modified":"2026-10-26T12:02:30Z","fixes":[{"ecosystem":"Debian:12","package":"multimon-ng","fixed_in":["1.2.0+dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"multimon-ng","fixed_in":["1.2.0+dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"multimon-ng","fixed_in":["1.2.0+dfsg-1"],"sources":["osv"]},{"ecosystem":"SUSE:Package Hub 15 SP4","package":"multimon-ng","fixed_in":["1.2.0-bp154.2.3.1"],"sources":["osv"]},{"ecosystem":"openSUSE:Leap 15.4","package":"multimon-ng","fixed_in":["1.2.0-bp154.2.3.1"],"sources":["osv"]},{"ecosystem":"SUSE:Package Hub 15 SP3","package":"multimon-ng","fixed_in":["1.2.0-bp153.2.3.1"],"sources":["osv"]},{"ecosystem":"openSUSE:Leap 15.3","package":"multimon-ng","fixed_in":["1.2.0-bp153.2.3.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"multimon-ng","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.0+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"multimon-ng","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.0+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"multimon-ng","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.0+dfsg-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"multimon-ng","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.8+dfsg-1build1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"multimon-ng","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.9+dfsg-1","1.1.9+dfsg-2"]},{"source":"osv","ecosystem":"SUSE:Package Hub 15 SP4","package":"multimon-ng","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.0-bp154.2.3.1"}]}]},{"source":"osv","ecosystem":"openSUSE:Leap 15.4","package":"multimon-ng","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.0-bp154.2.3.1"}]}]},{"source":"osv","ecosystem":"SUSE:Package Hub 15 SP3","package":"multimon-ng","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.0-bp153.2.3.1"}]}]},{"source":"osv","ecosystem":"openSUSE:Leap 15.3","package":"multimon-ng","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.0-bp153.2.3.1"}]}]}],"products":[{"vendor":"multimon-ng_project","product":"multimon-ng"},{"vendor":"unspecified","product":"multimon-ng"}],"references":[{"url":"https://github.com/EliasOenal/multimon-ng/pull/160","tags":["x_transferred","Patch","Third Party Advisory","fix","report"]},{"url":"https://github.com/EliasOenal/multimon-ng/releases/tag/1.2.0","tags":["x_transferred","Release Notes","Third Party Advisory","advisory","report"]},{"url":"https://github.com/EliasOenal/multimon-ng/commit/e5a51c508ef952e81a6da25b43034dd1ed023c07","tags":["x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://vuldb.com/?id.216269","tags":["x_transferred","Permissions Required","Third Party Advisory","VDB Entry","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-36619"},{"url":"https://github.com/advisories/GHSA-7838-j28v-c2rp"},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-36619","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-36619","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-36619","tags":["report"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/ACOFWRSAMX42Q5JHGBJ6MQJY7FRLPUHJ/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1206542","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2020-36619","tags":["web"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/L32DS6DZG7UVWWLTPMQBMKONSINMACOF/","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2020-36619","title":"multimon-ng demod_flex.c add_ch format string","description":"A vulnerability was found in multimon-ng. It has been rated as critical. This issue affects the function add_ch of the file demod_flex.c. The manipulation of the argument ch leads to format string. Upgrading to version 1.2.0 is able to address this issue. The name of the patch is e5a51c508ef952e81a6da25b43034dd1ed023c07. It is recommended to upgrade the affected component. The identifier VDB-216269 was assigned to this vulnerability.","status":"published","published":"2022-12-19T00:00:00Z","modified":"2025-04-15T12:57:38.469Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:35:55.128961Z"}],"euvd":[{"id":"EUVD-2020-24079","description":"A vulnerability was found in multimon-ng. It has been rated as critical. This issue affects the function add_ch of the file demod_flex.c. The manipulation of the argument ch leads to format string. Upgrading to version 1.2.0 is able to address this issue. The name of the patch is e5a51c508ef952e81a6da25b43034dd1ed023c07. It is recommended to upgrade the affected component. The identifier VDB-216269 was assigned to this vulnerability.","status":"published","published":"2022-12-19T00:00:00Z","modified":"2025-04-15T12:57:38Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T20:52:31.561628Z"}],"ghsa":[{"id":"GHSA-7838-j28v-c2rp","title":"A vulnerability was found in multimon-ng. It has been rated as critical. This issue affects the...","description":"A vulnerability was found in multimon-ng. It has been rated as critical. This issue affects the function add_ch of the file demod_flex.c. The manipulation of the argument ch leads to format string. Upgrading to version 1.2.0 is able to address this issue. The name of the patch is e5a51c508ef952e81a6da25b43034dd1ed023c07. It is recommended to upgrade the affected component. The identifier VDB-216269 was assigned to this vulnerability.","status":"published","published":"2022-12-19T15:30:29Z","modified":"2023-01-27T05:07:33Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-119","CWE-134"],"updated_at":"2026-11-02T14:43:08.798618Z"}],"nvd":[{"id":"CVE-2020-36619","description":"A vulnerability was found in multimon-ng. It has been rated as critical. This issue affects the function add_ch of the file demod_flex.c. The manipulation of the argument ch leads to format string. Upgrading to version 1.2.0 is able to address this issue. The name of the patch is e5a51c508ef952e81a6da25b43034dd1ed023c07. It is recommended to upgrade the affected component. The identifier VDB-216269 was assigned to this vulnerability.","status":"published","published":"2022-12-19T14:15:10.243Z","modified":"2026-06-17T03:15:49.007Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-119","CWE-134"],"updated_at":"2026-11-02T14:06:47.286386Z"}],"osv":[{"id":"CVE-2020-36619","description":"A vulnerability was found in multimon-ng. It has been rated as critical. This issue affects the function add_ch of the file demod_flex.c. The manipulation of the argument ch leads to format string. Upgrading to version 1.2.0 is able to address this issue. The name of the patch is e5a51c508ef952e81a6da25b43034dd1ed023c07. It is recommended to upgrade the affected component. The identifier VDB-216269 was assigned to this vulnerability.","status":"published","published":"2022-12-19T14:15:10.243Z","modified":"2026-10-20T13:59:39.085935851Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:16.936975Z"},{"id":"DEBIAN-CVE-2020-36619","description":"A vulnerability was found in multimon-ng. It has been rated as critical. This issue affects the function add_ch of the file demod_flex.c. The manipulation of the argument ch leads to format string. Upgrading to version 1.2.0 is able to address this issue. The name of the patch is e5a51c508ef952e81a6da25b43034dd1ed023c07. It is recommended to upgrade the affected component. The identifier VDB-216269 was assigned to this vulnerability.","status":"published","published":"2022-12-19T14:15:10.243Z","modified":"2026-10-26T12:02:30.30842511Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:34.019707Z"},{"id":"UBUNTU-CVE-2020-36619","description":"A vulnerability was found in multimon-ng. It has been rated as critical. This issue affects the function add_ch of the file demod_flex.c. The manipulation of the argument ch leads to format string. Upgrading to version 1.2.0 is able to address this issue. The name of the patch is e5a51c508ef952e81a6da25b43034dd1ed023c07. It is recommended to upgrade the affected component. The identifier VDB-216269 was assigned to this vulnerability.","status":"published","published":"2022-12-19T14:15:00Z","modified":"2025-10-24T04:49:01Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:54:25.179924Z"},{"id":"openSUSE-SU-2022:10253-1","title":"Security update for multimon-ng","description":"This update for multimon-ng fixes the following issues:\n\n- Update to new upstream release 1.2.0\n  * Separated FLEX and FLEX_NEXT. The former is identical to 1.1.9,\n    while FLEX_NEXT gained new features, as well as known\n    regressions. (See #168)\n  * Fix CVE-2020-36619 (boo#1206542)\n  * Several smaller POCSAG fixes.\n  * Fix for opening large wav files with improper header.\n","status":"published","published":"2022-12-27T09:01:26Z","modified":"2026-02-04T03:45:54.428026Z","updated_at":"2026-11-02T16:58:32.653274Z"},{"id":"openSUSE-SU-2023:0004-1","title":"Security update for multimon-ng","description":"This update for multimon-ng fixes the following issues:\n\n- Update to new upstream release 1.2.0\n  * Separated FLEX and FLEX_NEXT. The former is identical to 1.1.9,\n    while FLEX_NEXT gained new features, as well as known\n    regressions. (See #168)\n  * Fix CVE-2020-36619 (boo#1206542)\n  * Several smaller POCSAG fixes.\n  * Fix for opening large wav files with improper header.\n\n- Update to new upstream release 1.1.9\n  * multimon-ng now has a man page, let's try to keep it updated.\n  * FLEX: Changes to group messages and delimiters.\n  * FMS: Fixed a problem with the direction of telegrams.\n  * POCSAG: Support for the Slovenian charset.\n","status":"published","published":"2023-01-03T11:01:23Z","modified":"2026-02-04T03:22:38.300801Z","updated_at":"2026-11-02T16:58:32.653274Z"}]}}