{"id":"CVE-2022-0326","aliases":["ALPINE-CVE-2022-0326","AZL-41829","EUVD-2022-15494","GHSA-54p3-947h-6fpr","UBUNTU-CVE-2022-0326","openSUSE-SU-2024:12703-1"],"status":"published","title":"NULL Pointer Dereference in mruby/mruby","description":"NULL Pointer Dereference in Homebrew mruby prior to 3.2.","severity":{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0081,"percentile":0.57164,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-476"],"published":"2022-01-21T06:45:12Z","modified":"2026-11-05T05:40:51Z","fixes":[{"ecosystem":"Alpine:v3.17","package":"mruby","fixed_in":["3.1.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"mruby","fixed_in":["3.1.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"mruby","fixed_in":["3.1.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"mruby","fixed_in":["3.1.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"mruby","fixed_in":["3.1.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"mruby","fixed_in":["3.1.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"mruby","fixed_in":["3.1.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"mruby","fixed_in":["3.1.0-r0"],"sources":["osv"]},{"ecosystem":"Azure Linux:3","package":"rust","fixed_in":["1.75.0-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.17","package":"mruby","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"mruby","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"mruby","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"mruby","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"mruby","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"mruby","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"mruby","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"mruby","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.0-r0"}]}]},{"source":"osv","ecosystem":"Azure Linux:3","package":"rust","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.75.0-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"groonga","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.0.6.1-2ubuntu2","4.0.6.1-2ubuntu3","5.1.1-1ubuntu2","5.1.2-1ubuntu1","6.0.0-1ubuntu2","6.0.1-1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"mruby","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.0+20150817+gita1731254-1","1.1.0+20150906+git1cbbb7e1-1","1.2.0+20160315+git4f20d58a-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"groonga","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.0.6-1","7.0.8-1","7.0.9-1","7.1.0-1","7.1.1-1","7.1.1-1build1","8.0.0-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"h2o","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.3+dfsg-2","2.2.4+dfsg-1","2.2.4+dfsg-1build1","2.2.4+dfsg-1ubuntu0.1~esm2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"mruby","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.0-1","1.3.0+20170925+git38185028-1","1.3.0+20171029+git77edafb0-1","1.4.0-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"groonga","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.0.7-1","9.0.7-1build1","9.0.8-1","9.0.9-1","9.1.0-1","9.1.1-1","9.1.2-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"h2o","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.5+dfsg2-3","2.2.5+dfsg2-3build1","2.2.5+dfsg2-3ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"mruby","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.0-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"groonga","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["11.0.0-2","11.0.7-1","11.0.9-1","11.0.9-1build1","11.1.0-1","11.1.1-1","12.0.0-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"mruby","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.2-3","3.0.0-1","3.0.0-3"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"h2o","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.5+dfsg2-6","2.2.5+dfsg2-6.1","2.2.5+dfsg2-6.1ubuntu1","2.2.5+dfsg2-6.1ubuntu2","2.2.5+dfsg2-6.1ubuntu2+esm1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"groonga","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["13.0.1+dfsg-1","13.0.8+dfsg-1","13.0.9+dfsg-1","13.1.1+dfsg-1","13.1.1+dfsg-1.1","13.1.1+dfsg-1.1build2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"h2o","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.5+dfsg2-7","2.2.5+dfsg2-8","2.2.5+dfsg2-8.1ubuntu1","2.2.5+dfsg2-8.1ubuntu2","2.2.5+dfsg2-8.1ubuntu3"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"mruby","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2.0-1","3.2.0-2"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"groonga","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["14.1.0+dfsg-3","15.0.4+dfsg-1","15.0.4+dfsg-2","15.1.5+dfsg-2"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"mruby","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.0-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"groonga","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["16.0.0+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"mruby","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4.0-2","3.4.0-3","4.0.0-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"groonga","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["15.1.5+dfsg-2","15.1.7+dfsg-1","15.1.9+dfsg-1","15.2.0+dfsg-1","15.2.1+dfsg-1","15.2.3+dfsg-1","16.0.0+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"mruby","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.0-1","3.4.0-2"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"mruby","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.0-1.1"}]}],"bundled":3}],"products":[{"vendor":"mruby","product":"mruby"},{"vendor":"mruby","product":"mruby/mruby"}],"references":[{"url":"https://huntr.dev/bounties/795dcbd9-1695-44bb-8c59-ad327c97c976","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Patch","Third Party Advisory","web","report"]},{"url":"https://github.com/mruby/mruby/commit/b611c43a5de061ec21b343967e1b64c45c373d7e","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-0326","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-54p3-947h-6fpr"},{"url":"https://security.alpinelinux.org/vuln/CVE-2022-0326","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/0xxx/CVE-2022-0326.json","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2022-0326","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-0326","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2022-0326","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-0890","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-1427","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2022-0326","title":"NULL Pointer Dereference in mruby/mruby","description":"NULL Pointer Dereference in Homebrew mruby prior to 3.2.","status":"published","published":"2022-01-21T06:45:12Z","modified":"2024-08-02T23:25:40.18Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:34:41.34666Z"}],"euvd":[{"id":"EUVD-2022-15494","description":"NULL Pointer Dereference in Homebrew mruby prior to 3.2.","status":"published","published":"2022-01-21T06:45:12Z","modified":"2024-08-02T23:25:40Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T03:26:05.607314Z"}],"ghsa":[{"id":"GHSA-54p3-947h-6fpr","title":"NULL Pointer Dereference in Homebrew mruby prior to 3.2.","description":"NULL Pointer Dereference in Homebrew mruby prior to 3.2.","status":"published","published":"2022-01-22T00:00:48Z","modified":"2023-02-03T05:05:17Z","cwes":["CWE-476"],"updated_at":"2026-11-02T14:53:42.900002Z"}],"nvd":[{"id":"CVE-2022-0326","description":"NULL Pointer Dereference in Homebrew mruby prior to 3.2.","status":"published","published":"2022-01-21T07:15:06.653Z","modified":"2026-06-17T04:20:24.073Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:07:11.52734Z"}],"osv":[{"id":"ALPINE-CVE-2022-0326","description":"NULL Pointer Dereference in Homebrew mruby prior to 3.2.","status":"published","published":"2022-01-21T07:15:06.653Z","modified":"2026-11-03T07:30:03.333877631Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T07:50:38.973973Z"},{"id":"AZL-41829","title":"CVE-2022-0326 affecting package rust for versions less than 1.75.0-1","description":"NULL Pointer Dereference in Homebrew mruby prior to 3.2.","status":"published","published":"2022-01-21T07:15:06Z","modified":"2026-11-05T05:40:51Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-05T16:41:19.893001Z"},{"id":"CVE-2022-0326","title":"NULL Pointer Dereference in mruby/mruby","description":"NULL Pointer Dereference in Homebrew mruby prior to 3.2.","status":"published","published":"2022-01-21T06:45:12Z","modified":"2026-10-28T10:23:22.150674376Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T15:44:22.824781Z"},{"id":"UBUNTU-CVE-2022-0326","description":"NULL Pointer Dereference in Homebrew mruby prior to 3.2.","status":"published","published":"2022-01-21T07:15:00Z","modified":"2026-10-17T12:56:16.026018608Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T16:53:51.630172Z"},{"id":"openSUSE-SU-2024:12703-1","title":"libmruby3_1_0-3.1.0-1.1 on GA media","description":"These are all security issues fixed in the libmruby3_1_0-3.1.0-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:12:24.028397Z","updated_at":"2026-11-02T16:58:35.751245Z"}]}}