{"id":"CVE-2021-32625","aliases":["ALPINE-CVE-2021-32625","BELL-CVE-2021-32625","DEBIAN-CVE-2021-32625","EUVD-2021-19456","GHSA-46cp-x4x9-6pfq","SUSE-SU-2021:2294-1","UBUNTU-CVE-2021-32625","openSUSE-SU-2021:0841-1","openSUSE-SU-2021:2294-1","openSUSE-SU-2024:11299-1"],"status":"published","title":"Redis vulnerability in STRALGO LCS on 32-bit systems","description":"Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache, and message broker. An integer overflow bug in Redis version 6.0 or newer, could be exploited using the STRALGO LCS command to corrupt the heap and potentially result with remote code execution. This is a result of an incomplete fix by CVE-2021-29477. The problem is fixed in version 6.2.4 and 6.0.14. An additional workaround to mitigate the problem without patching the redis-server executable is to use ACL configuration to prevent clients from using the STRALGO LCS command. On 64 bit systems which have the fixes of CVE-2021-29477 (6.2.3 or 6.0.13), it is sufficient to make sure that the proto-max-bulk-len config parameter is smaller than 2GB (default is 512MB).","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0414,"percentile":0.9097,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-190","CWE-680"],"published":"2021-06-02T19:35:11Z","modified":"2026-11-03T06:32:40Z","fixes":[{"ecosystem":"Alpine:v3.13","package":"redis","fixed_in":["6.0.14-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.14","package":"redis","fixed_in":["6.2.4-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"redis","fixed_in":["6.2.4-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"redis","fixed_in":["6.2.4-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"redis","fixed_in":["6.2.4-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"redis","fixed_in":["6.2.4-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"redis","fixed_in":["6.2.4-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"redis","fixed_in":["6.2.4-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"redis","fixed_in":["6.2.4-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"redis","fixed_in":["6.2.4-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"redis","fixed_in":["6.2.4-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"redis","fixed_in":["6.2.4-r0"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"redis","fixed_in":["5:6.0.14-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"redis","fixed_in":["5:6.0.14-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"redis","fixed_in":["5:6.0.14-1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux 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15.3","package":"redis","fixed_in":["6.0.14-6.5.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.13","package":"redis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"6.0.14-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.14","package":"redis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"6.2.4-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.15","package":"redis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"6.2.4-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.16","package":"redis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"6.2.4-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"redis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"6.2.4-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"redis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"6.2.4-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"redis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"6.2.4-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"redis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"6.2.4-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"redis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"6.2.4-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"redis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"6.2.4-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"redis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"6.2.4-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"redis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"6.2.4-r0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"redis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5:6.0.14-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"redis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5:6.0.14-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"redis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5:6.0.14-1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Server Applications 15 SP2","package":"redis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.14-6.5.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Server Applications 15 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15.2","package":"redis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.14-lp152.2.6.1"}]}]},{"source":"osv","ecosystem":"openSUSE:Leap 15.3","package":"redis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.14-6.5.1"}]}]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"redis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2.5-1.2"}]}],"bundled":9}],"products":[{"vendor":"fedoraproject","product":"fedora"},{"vendor":"redis","product":"redis"},{"vendor":"redislabs","product":"redis"}],"references":[{"url":"https://github.com/redis/redis/security/advisories/GHSA-46cp-x4x9-6pfq","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]},{"url":"https://github.com/redis/redis/releases/tag/6.0.14","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory"]},{"url":"https://github.com/redis/redis/releases/tag/6.2.4","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BHWOF7CBVUGDK3AN6H3BN3VNTH2TDUZZ/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SN7INTZFE34MIQJO7WDDTIY5LIBGN6GI/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://security.alpinelinux.org/vuln/CVE-2021-32625","tags":["advisory"]},{"url":"https://docs.bell-sw.com/security/cves/CVE-2021-32625","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-32625","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2021/suse-su-20212294-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1186722","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2021-32625","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2021-32625","tags":["report"]},{"url":"https://github.com/redis/redis/pull/9011","tags":["report"]},{"url":"https://github.com/redis/redis/commit/1ddecf1958924b178b76a31d989ef1e05af81964","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-32625","tags":["report"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/B74HW6HBAH5TAP4L5LLUY3KI4JBTVQS3/","tags":["advisory"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/DLTYT5RW6FV5TOAPS5PDVLVHX5MWJZGB/","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8080","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-10517","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-15047","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-11218","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-21309","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-29477","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-29478","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-32761","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2021-32625","title":"Redis vulnerability in STRALGO LCS on 32-bit systems","description":"Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache, and message broker. An integer overflow bug in Redis version 6.0 or newer, could be exploited using the STRALGO LCS command to corrupt the heap and potentially result with remote code execution. This is a result of an incomplete fix by CVE-2021-29477. The problem is fixed in version 6.2.4 and 6.0.14. An additional workaround to mitigate the problem without patching the redis-server executable is to use ACL configuration to prevent clients from using the STRALGO LCS command. On 64 bit systems which have the fixes of CVE-2021-29477 (6.2.3 or 6.0.13), it is sufficient to make sure that the proto-max-bulk-len config parameter is smaller than 2GB (default is 512MB).","status":"published","published":"2021-06-02T19:35:11Z","modified":"2024-08-03T23:25:30.543Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-680"],"updated_at":"2026-11-02T14:33:07.014772Z"}],"euvd":[{"id":"EUVD-2021-19456","description":"Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache, and message broker. An integer overflow bug in Redis version 6.0 or newer, could be exploited using the STRALGO LCS command to corrupt the heap and potentially result with remote code execution. This is a result of an incomplete fix by CVE-2021-29477. The problem is fixed in version 6.2.4 and 6.0.14. An additional workaround to mitigate the problem without patching the redis-server executable is to use ACL configuration to prevent clients from using the STRALGO LCS command. On 64 bit systems which have the fixes of CVE-2021-29477 (6.2.3 or 6.0.13), it is sufficient to make sure that the proto-max-bulk-len config parameter is smaller than 2GB (default is 512MB).","status":"published","published":"2021-06-02T19:35:11Z","modified":"2024-08-03T23:25:30Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T03:24:36.41075Z"}],"nvd":[{"id":"CVE-2021-32625","description":"Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache, and message broker. An integer overflow bug in Redis version 6.0 or newer, could be exploited using the STRALGO LCS command to corrupt the heap and potentially result with remote code execution. This is a result of an incomplete fix by CVE-2021-29477. The problem is fixed in version 6.2.4 and 6.0.14. An additional workaround to mitigate the problem without patching the redis-server executable is to use ACL configuration to prevent clients from using the STRALGO LCS command. On 64 bit systems which have the fixes of CVE-2021-29477 (6.2.3 or 6.0.13), it is sufficient to make sure that the proto-max-bulk-len config parameter is smaller than 2GB (default is 512MB).","status":"published","published":"2021-06-02T20:15:07.187Z","modified":"2026-06-17T03:53:17.807Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-680","CWE-190"],"updated_at":"2026-11-02T14:06:53.987491Z"}],"osv":[{"id":"ALPINE-CVE-2021-32625","description":"Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache, and message broker. An integer overflow bug in Redis version 6.0 or newer, could be exploited using the STRALGO LCS command to corrupt the heap and potentially result with remote code execution. This is a result of an incomplete fix by CVE-2021-29477. The problem is fixed in version 6.2.4 and 6.0.14. An additional workaround to mitigate the problem without patching the redis-server executable is to use ACL configuration to prevent clients from using the STRALGO LCS command. On 64 bit systems which have the fixes of CVE-2021-29477 (6.2.3 or 6.0.13), it is sufficient to make sure that the proto-max-bulk-len config parameter is smaller than 2GB (default is 512MB).","status":"published","published":"2021-06-02T20:15:07.187Z","modified":"2026-11-03T06:32:40.586162256Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T07:17:02.90744Z"},{"id":"BELL-CVE-2021-32625","title":"CVE-2021-32625 does not affect BellSoft software","status":"withdrawn","published":"2023-08-31T12:13:55.102487Z","modified":"2026-01-26T09:47:06.797727Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:16.5265Z"},{"id":"CVE-2021-32625","description":"Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache, and message broker. An integer overflow bug in Redis version 6.0 or newer, could be exploited using the STRALGO LCS command to corrupt the heap and potentially result with remote code execution. This is a result of an incomplete fix by CVE-2021-29477. The problem is fixed in version 6.2.4 and 6.0.14. An additional workaround to mitigate the problem without patching the redis-server executable is to use ACL configuration to prevent clients from using the STRALGO LCS command. On 64 bit systems which have the fixes of CVE-2021-29477 (6.2.3 or 6.0.13), it is sufficient to make sure that the proto-max-bulk-len config parameter is smaller than 2GB (default is 512MB).","status":"published","published":"2021-06-02T20:15:07.187Z","modified":"2026-10-20T10:50:07.916026632Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:19.793849Z"},{"id":"DEBIAN-CVE-2021-32625","description":"Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache, and message broker. An integer overflow bug in Redis version 6.0 or newer, could be exploited using the STRALGO LCS command to corrupt the heap and potentially result with remote code execution. This is a result of an incomplete fix by CVE-2021-29477. The problem is fixed in version 6.2.4 and 6.0.14. An additional workaround to mitigate the problem without patching the redis-server executable is to use ACL configuration to prevent clients from using the STRALGO LCS command. On 64 bit systems which have the fixes of CVE-2021-29477 (6.2.3 or 6.0.13), it is sufficient to make sure that the proto-max-bulk-len config parameter is smaller than 2GB (default is 512MB).","status":"published","published":"2021-06-02T20:15:07.187Z","modified":"2026-10-23T18:03:14.146228144Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:35.233346Z"},{"id":"UBUNTU-CVE-2021-32625","description":"Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache, and message broker. An integer overflow bug in Redis version 6.0 or newer, could be exploited using the STRALGO LCS command to corrupt the heap and potentially result with remote code execution. This is a result of an incomplete fix by CVE-2021-29477. The problem is fixed in version 6.2.4 and 6.0.14. An additional workaround to mitigate the problem without patching the redis-server executable is to use ACL configuration to prevent clients from using the STRALGO LCS command. On 64 bit systems which have the fixes of CVE-2021-29477 (6.2.3 or 6.0.13), it is sufficient to make sure that the proto-max-bulk-len config parameter is smaller than 2GB (default is 512MB).","status":"published","published":"2021-06-02T20:15:00Z","modified":"2026-04-14T09:52:42.459474Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:27.332852Z"},{"id":"openSUSE-SU-2021:0841-1","title":"Security update for redis","description":"This update for redis fixes the following issues:\n\nredis was updated to 6.0.14:\n\n* CVE-2021-32625: An integer overflow bug could be exploited by\n  using the STRALGO LCS command to cause remote remote code\n  execution (boo#1186722)\n* Fix crash in UNLINK on a stream key with deleted consumer groups\n* SINTERSTORE: Add missing keyspace del event when none of the\n  sources exist\n","status":"published","published":"2021-06-05T14:06:14Z","modified":"2026-02-04T02:36:41.86594Z","updated_at":"2026-11-02T16:58:31.879684Z"},{"id":"openSUSE-SU-2021:2294-1","title":"Security update for redis","description":"This update for redis fixes the following issues:\n\n- Upgrade to 6.0.14\n- CVE-2021-32625: An integer overflow bug could be exploited by using the STRALGO LCS command to cause remote remote code execution (bsc#1186722)\n- Fix crash in UNLINK on a stream key with deleted consumer groups\n- SINTERSTORE: Add missing keyspace del event when none of the sources exist\n","status":"published","published":"2021-07-12T06:27:00Z","modified":"2026-02-04T03:54:13.784858Z","updated_at":"2026-11-02T16:58:32.266854Z"},{"id":"openSUSE-SU-2024:11299-1","title":"redis-6.2.5-1.2 on GA media","description":"These are all security issues fixed in the redis-6.2.5-1.2 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:57:18.461644Z","updated_at":"2026-11-02T16:58:34.894275Z"},{"id":"SUSE-SU-2021:2294-1","title":"Security update for redis","description":"This update for redis fixes the following issues:\n\n- Upgrade to 6.0.14\n- CVE-2021-32625: An integer overflow bug could be exploited by using the STRALGO LCS command to cause remote remote code execution (bsc#1186722)\n- Fix crash in UNLINK on a stream key with deleted consumer groups\n- SINTERSTORE: Add missing keyspace del event when none of the sources exist\n","status":"published","published":"2021-07-12T06:26:59Z","modified":"2026-02-04T03:18:30.228228Z","updated_at":"2026-11-02T15:53:49.138643Z"}]}}