{"id":"CVE-2020-12658","aliases":["DEBIAN-CVE-2020-12658","DLA-2516-1","EUVD-2020-4957","GHSA-p2qg-cv6r-5429","MGASA-2021-0081","OESA-2021-1037","SUSE-SU-2021:1029-1","SUSE-SU-2021:1030-1","openSUSE-SU-2021:0531-1"],"status":"disputed","title":"gssproxy (aka gss-proxy) before 0.8.3 does not unlock cond_mutex before pthread exit in...","description":"gssproxy (aka gss-proxy) before 0.8.3 does not unlock cond_mutex before pthread exit in gp_worker_main() in gp_workers.c. NOTE: An upstream comment states \"We are already on a shutdown path when running the code in question, so a DoS there doesn't make any sense, and there has been no additional information provided us (as upstream) to indicate why this would be a problem.","severity":{"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","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01771,"percentile":0.78437,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-667"],"published":"2020-12-31T00:17:50Z","modified":"2026-10-26T23:00:04Z","fixes":[{"ecosystem":"Debian:12","package":"gssproxy","fixed_in":["0.8.4-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"gssproxy","fixed_in":["0.8.4-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"gssproxy","fixed_in":["0.8.4-1"],"sources":["osv"]},{"ecosystem":"Debian:9","package":"gssproxy","fixed_in":["0.5.1-2+deb9u1"],"sources":["osv"]},{"ecosystem":"Mageia:7","package":"gssproxy","fixed_in":["0.8.2-2.1.mga7"],"sources":["osv"]},{"ecosystem":"openEuler:20.03-LTS","package":"gssproxy","fixed_in":["0.8.3-1.oe1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15 SP2","package":"gssproxy","fixed_in":["0.8.2-3.6.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server 12 SP5","package":"gssproxy","fixed_in":["0.8.2-4.5.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP5","package":"gssproxy","fixed_in":["0.8.2-4.5.1"],"sources":["osv"]},{"ecosystem":"openSUSE:Leap 15.2","package":"gssproxy","fixed_in":["0.8.2-lp152.2.3.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"gssproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.4-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"gssproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.4-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"gssproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.4-1"}]}]},{"source":"osv","ecosystem":"Debian:9","package":"gssproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.1-2+deb9u1"}]}],"versions":["0.5.1-2"]},{"source":"osv","ecosystem":"Mageia:7","package":"gssproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.2-2.1.mga7"}]}]},{"source":"osv","ecosystem":"openEuler:20.03-LTS","package":"gssproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.3-1.oe1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15 SP2","package":"gssproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.2-3.6.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP5","package":"gssproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.2-4.5.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP5","package":"gssproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.2-4.5.1"}]}]},{"source":"osv","ecosystem":"openSUSE:Leap 15.2","package":"gssproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.2-lp152.2.3.1"}]}]}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"gssproxy_project","product":"gssproxy"}],"references":[{"url":"https://pagure.io/gssproxy/c/cb761412e299ef907f22cd7c4146d50c8a792003?branch=master","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://github.com/gssapi/gssproxy/compare/v0.8.2...v0.8.3","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://github.com/gssapi/gssproxy/commit/cb761412e299ef907f22cd7c4146d50c8a792003","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://lists.debian.org/debian-lts-announce/2021/01/msg00004.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-12658","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-p2qg-cv6r-5429"},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-12658","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2021-0081.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=28019","tags":["report"]},{"url":"https://www.debian.org/lts/security/2021/dla-2516","tags":["web"]},{"url":"https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1037","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2021/suse-su-20211029-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1180515","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2020-12658","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2021/suse-su-20211030-1/","tags":["advisory"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/I6NDFFQCNMQW6SZXPZI34VPX7QS37NS5/","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2020-12658","description":"gssproxy (aka gss-proxy) before 0.8.3 does not unlock cond_mutex before pthread exit in gp_worker_main() in gp_workers.c. NOTE: An upstream comment states \"We are already on a shutdown path when running the code in question, so a DoS there doesn't make any sense, and there has been no additional information provided us (as upstream) to indicate why this would be a problem.","status":"disputed","published":"2020-12-31T00:17:50Z","modified":"2024-08-04T12:04:22.658Z","updated_at":"2026-11-02T14:35:52.925152Z"}],"euvd":[{"id":"EUVD-2020-4957","description":"gssproxy (aka gss-proxy) before 0.8.3 does not unlock cond_mutex before pthread exit in gp_worker_main() in gp_workers.c. NOTE: An upstream comment states \"We are already on a shutdown path when running the code in question, so a DoS there doesn't make any sense, and there has been no additional information provided us (as upstream) to indicate why this would be a problem.","status":"published","published":"2020-12-31T00:17:50Z","modified":"2024-08-04T12:04:22Z","updated_at":"2026-11-03T03:07:39.896975Z"}],"ghsa":[{"id":"GHSA-p2qg-cv6r-5429","title":"gssproxy (aka gss-proxy) before 0.8.3 does not unlock cond_mutex before pthread exit in...","description":"gssproxy (aka gss-proxy) before 0.8.3 does not unlock cond_mutex before pthread exit in gp_worker_main() in gp_workers.c.","status":"published","published":"2022-05-24T17:37:36Z","modified":"2024-03-30T05:01:43Z","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-667"],"updated_at":"2026-11-02T14:55:45.190481Z"}],"nvd":[{"id":"CVE-2020-12658","description":"gssproxy (aka gss-proxy) before 0.8.3 does not unlock cond_mutex before pthread exit in gp_worker_main() in gp_workers.c. NOTE: An upstream comment states \"We are already on a shutdown path when running the code in question, so a DoS there doesn't make any sense, and there has been no additional information provided us (as upstream) to indicate why this would be a problem.","status":"disputed","published":"2020-12-31T01:15:12.553Z","modified":"2026-06-17T02:52:05.487Z","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","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-667"],"updated_at":"2026-11-02T14:06:28.340168Z"}],"osv":[{"id":"CVE-2020-12658","description":"gssproxy (aka gss-proxy) before 0.8.3 does not unlock cond_mutex before pthread exit in gp_worker_main() in gp_workers.c. NOTE: An upstream comment states \"We are already on a shutdown path when running the code in question, so a DoS there doesn't make any sense, and there has been no additional information provided us (as upstream) to indicate why this would be a problem.","status":"published","published":"2020-12-31T01:15:12.553Z","modified":"2026-10-20T13:57:21.295679018Z","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":"2026-11-02T15:44:14.034736Z"},{"id":"DEBIAN-CVE-2020-12658","description":"gssproxy (aka gss-proxy) before 0.8.3 does not unlock cond_mutex before pthread exit in gp_worker_main() in gp_workers.c. NOTE: An upstream comment states \"We are already on a shutdown path when running the code in question, so a DoS there doesn't make any sense, and there has been no additional information provided us (as upstream) to indicate why this would be a problem.","status":"published","published":"2020-12-31T01:15:12.553Z","modified":"2026-10-26T23:00:04.585416912Z","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":"2026-11-02T15:45:32.862554Z"},{"id":"OESA-2021-1037","title":"gssproxy security update","description":"This is a proxy for GSSAPI which deals with credential handling.\\r\\n\\r\\n\r\nSecurity Fix(es):\\r\\n\\r\\n\r\n** DISPUTED ** gssproxy (aka gss-proxy) before 0.8.3 does not unlock cond_mutex before pthread exit in gp_worker_main() in gp_workers.c. NOTE: An upstream comment states \"We are already on a shutdown path when running the code in question, so a DoS there doesn't make any sense, and there has been no additional information provided us (as upstream) to indicate why this would be a problem.\"(CVE-2020-12658)\\r\\n\\r\\n","status":"published","published":"2021-02-10T11:04:16Z","modified":"2026-08-18T01:15:07.652111721Z","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":"2026-11-02T15:52:38.987987Z"},{"id":"DLA-2516-1","title":"gssproxy - security update","status":"published","published":"2021-01-04T00:00:00Z","modified":"2026-03-09T01:20:49.681501Z","updated_at":"2026-11-02T15:46:10.712745Z"},{"id":"MGASA-2021-0081","title":"Updated gssproxy package fixes a security vulnerability","description":"gssproxy (aka gss-proxy) before 0.8.3 does not unlock cond_mutex before\npthread exit in gp_worker_main() in gp_workers.c (CVE-2020-12658).\n","status":"published","published":"2021-02-11T20:36:56Z","modified":"2026-04-16T04:40:51.425643901Z","updated_at":"2026-11-02T15:49:41.509337Z"},{"id":"openSUSE-SU-2021:0531-1","title":"Security update for gssproxy","description":"This update for gssproxy fixes the following issues:\n\n- CVE-2020-12658: Fixed an issue where gssproxy was not unlocking cond_mutex before pthread exit in gp_worker_main() (bsc#1180515).\n\nThis update was imported from the SUSE:SLE-15-SP1:Update update project.","status":"published","published":"2021-04-09T22:05:50Z","modified":"2026-02-04T04:36:10.564383Z","updated_at":"2026-11-02T16:58:31.879684Z"},{"id":"SUSE-SU-2021:1029-1","title":"Security update for gssproxy","description":"This update for gssproxy fixes the following issues:\n\n- CVE-2020-12658: Fixed an issue where gssproxy was not unlocking cond_mutex before pthread exit in gp_worker_main() (bsc#1180515).\n","status":"published","published":"2021-04-06T16:26:24Z","modified":"2026-02-04T02:43:00.860987Z","updated_at":"2026-11-02T15:53:48.690034Z"},{"id":"SUSE-SU-2021:1030-1","title":"Security update for gssproxy","description":"This update for gssproxy fixes the following issues:\n\n- CVE-2020-12658: Fixed an issue where gssproxy was not unlocking cond_mutex before pthread exit in gp_worker_main() (bsc#1180515).\n","status":"published","published":"2021-04-06T16:26:37Z","modified":"2026-02-04T02:45:15.059369Z","updated_at":"2026-11-02T15:53:48.690034Z"}]}}