{"id":"CVE-2022-31783","aliases":["DEBIAN-CVE-2022-31783","EUVD-2022-53175","GHSA-qh6w-j8cx-jf53","SUSE-SU-2022:2184-1","SUSE-SU-2022:2252-1","SUSE-SU-2022:2298-1","UBUNTU-CVE-2022-31783","USN-5476-1","openSUSE-SU-2024:12125-1"],"status":"published","title":"Liblouis 3.21.0 has an out-of-bounds write in compileRule in compileTranslationTable.c, as...","description":"Liblouis 3.21.0 has an out-of-bounds write in compileRule in compileTranslationTable.c, as demonstrated by lou_trace.","severity":{"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","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01131,"percentile":0.66698,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-787"],"published":"2022-05-27T00:00:00Z","modified":"2026-11-03T06:02:32Z","fixes":[{"ecosystem":"Debian:12","package":"liblouis","fixed_in":["3.22.0-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"liblouis","fixed_in":["3.22.0-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"liblouis","fixed_in":["3.22.0-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"liblouis","fixed_in":["3.5.0-1ubuntu0.4"],"sources":["osv"]},{"ecosystem":"Ubuntu:20.04:LTS","package":"liblouis","fixed_in":["3.12.0-3ubuntu0.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:22.04:LTS","package":"liblouis","fixed_in":["3.20.0-2ubuntu0.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"liblouis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.22.0-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"liblouis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.22.0-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"liblouis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.22.0-1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux 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SP1-ESPOS","package":"liblouis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.0-150000.4.8.1"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS","package":"liblouis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.0-150000.4.8.1"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 15-LTSS","package":"liblouis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.0-150000.4.8.1"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 15 SP1-BCL","package":"liblouis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.0-150000.4.8.1"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 15 SP1-LTSS","package":"liblouis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.0-150000.4.8.1"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise 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Party Advisory","report"]},{"url":"https://github.com/liblouis/liblouis/commit/ff747ec5e1ac54d54194846f6fe5bfc689192a85","tags":["x_transferred","Patch","Third Party Advisory","fix","report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CFD2KIHESDUCNWTEW3USFB5GKTWT624L/","tags":["vendor-advisory","x_transferred","advisory"]},{"url":"https://security.gentoo.org/glsa/202301-06","tags":["vendor-advisory","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-31783","tags":["advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CFD2KIHESDUCNWTEW3USFB5GKTWT624L/"},{"url":"https://github.com/advisories/GHSA-qh6w-j8cx-jf53"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/31xxx/CVE-2022-31783.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2022-31783","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2022/suse-su-20222184-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1197085","tags":["report"]},{"url":"https://bugzilla.suse.com/1200120","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2022-26981","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-31783","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2022/suse-su-20222252-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1130813","tags":["report"]},{"url":"https://www.suse.com/support/update/announcement/2022/suse-su-20222298-1/","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2022-31783","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-5476-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-31783","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2022-26981","tags":["report"]},{"url":"","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2022-31783","description":"Liblouis 3.21.0 has an out-of-bounds write in compileRule in compileTranslationTable.c, as demonstrated by lou_trace.","status":"published","published":"2022-05-27T00:00:00Z","modified":"2024-08-03T07:26:01.098Z","updated_at":"2026-11-02T14:34:35.279735Z"}],"euvd":[{"id":"EUVD-2022-53175","description":"Liblouis 3.21.0 has an out-of-bounds write in compileRule in compileTranslationTable.c, as demonstrated by lou_trace.","status":"published","published":"2022-05-27T00:00:00Z","modified":"2024-08-03T07:26:01Z","updated_at":"2026-11-03T03:25:33.60677Z"}],"ghsa":[{"id":"GHSA-qh6w-j8cx-jf53","title":"Liblouis 3.21.0 has an out-of-bounds write in compileRule in compileTranslationTable.c, as...","description":"Liblouis 3.21.0 has an out-of-bounds write in compileRule in compileTranslationTable.c, as demonstrated by lou_trace.","status":"published","published":"2022-06-03T00:01:15Z","modified":"2023-01-27T05:04:22Z","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"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:42:26.749233Z"}],"nvd":[{"id":"CVE-2022-31783","description":"Liblouis 3.21.0 has an out-of-bounds write in compileRule in compileTranslationTable.c, as demonstrated by lou_trace.","status":"published","published":"2022-06-02T14:15:58.05Z","modified":"2026-06-17T04:46:18.103Z","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":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:07:21.62951Z"}],"osv":[{"id":"UBUNTU-CVE-2022-31783","description":"Liblouis 3.21.0 has an out-of-bounds write in compileRule in compileTranslationTable.c, as demonstrated by lou_trace.","status":"published","published":"2022-06-02T14:15:00Z","modified":"2026-04-22T13:23:21.781744Z","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":"2026-11-02T16:53:53.899276Z"},{"id":"CVE-2022-31783","description":"Liblouis 3.21.0 has an out-of-bounds write in compileRule in compileTranslationTable.c, as demonstrated by lou_trace.","status":"published","published":"2022-05-27T00:00:00Z","modified":"2026-10-28T10:28:09.030739171Z","updated_at":"2026-11-02T15:44:25.860945Z"},{"id":"DEBIAN-CVE-2022-31783","description":"Liblouis 3.21.0 has an out-of-bounds write in compileRule in compileTranslationTable.c, as demonstrated by lou_trace.","status":"published","published":"2022-06-02T14:15:58.05Z","modified":"2026-11-03T06:02:32.617422197Z","updated_at":"2026-11-03T06:44:05.456691Z"},{"id":"openSUSE-SU-2024:12125-1","title":"liblouis-data-3.21.0-2.1 on GA media","description":"These are all security issues fixed in the liblouis-data-3.21.0-2.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T04:01:25.732732Z","updated_at":"2026-11-02T16:58:35.485255Z"},{"id":"SUSE-SU-2022:2184-1","title":"Security update for liblouis","description":"This update for liblouis fixes the following issues:\n\n- CVE-2022-26981: fix buffer overrun in compilePassOpcode (bsc#1197085).\n- CVE-2022-31783: prevent an invalid memory write in compileRule (bsc#1200120).\n","status":"published","published":"2022-06-24T15:05:02Z","modified":"2026-02-04T02:28:06.37667Z","updated_at":"2026-11-02T15:53:50.513981Z"},{"id":"SUSE-SU-2022:2252-1","title":"Security update for liblouis","description":"This update for liblouis fixes the following issues:\n\n- CVE-2022-26981: fix buffer overrun in compilePassOpcode (bsc#1197085).\n- CVE-2022-31783: prevent an invalid memory write in compileRule (bsc#1200120).\n","status":"published","published":"2022-07-04T10:05:27Z","modified":"2026-02-04T03:19:03.509098Z","updated_at":"2026-11-02T15:53:50.965375Z"},{"id":"SUSE-SU-2022:2298-1","title":"Security update for liblouis","description":"This update for liblouis fixes the following issues:\n\n- CVE-2022-26981: fix buffer overrun in compilePassOpcode (bsc#1197085).\n- CVE-2022-31783: prevent an invalid memory write in compileRule (bsc#1200120).\n","status":"published","published":"2022-07-06T11:35:57Z","modified":"2026-02-04T04:35:16.221922Z","updated_at":"2026-11-02T15:53:50.965375Z"},{"id":"USN-5476-1","title":"liblouis vulnerabilities","description":"Han Zheng discovered that Liblouis incorrectly handled certain inputs.\nAn attacker could possibly use this issue to cause a crash. This issue was\naddressed in Ubuntu 21.10 and Ubuntu 22.04 LTS. (CVE-2022-26981)\n\nIt was discovered that Liblouis incorrectly handled certain inputs.\nAn attacker could possibly use this issue to execute arbitrary code\nor cause a crash. (CVE-2022-31783)\n","status":"published","published":"2022-06-13T14:52:30Z","modified":"2026-04-27T16:19:02.574762693Z","updated_at":"2026-11-02T16:58:16.20937Z"}]}}