{"id":"CVE-2018-15862","state":"PUBLISHED","title":"Unchecked NULL pointer usage in LookupModMask in xkbcomp/expr.c in xkbcommon before 0.8.2 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser ","description":"Unchecked NULL pointer usage in LookupModMask in xkbcomp/expr.c in xkbcommon before 0.8.2 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file with invalid virtual modifiers.","publishedAt":"2018-08-25T21:00:00.000Z","updatedAt":"2024-08-05T10:10:04.954Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://security.gentoo.org/glsa/201810-05","https://lists.freedesktop.org/archives/wayland-devel/2018-August/039243.html","https://usn.ubuntu.com/3786-1/","https://github.com/xkbcommon/libxkbcommon/commit/4e2ee9c3f6050d773f8bbe05bc0edb17f1ff8371","https://usn.ubuntu.com/3786-2/","https://access.redhat.com/errata/RHSA-2019:2079"],"weaknesses":[],"ingestedAt":"2026-10-29T19:44:22.805Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2018/15xxx/CVE-2018-15862.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2018-15862","state":"PUBLISHED","datePublished":"2018-08-25T21:00:00.000Z","dateUpdated":"2024-08-05T10:10:04.954Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2018-08-24T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Unchecked NULL pointer usage in LookupModMask in xkbcomp/expr.c in xkbcommon before 0.8.2 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file with invalid virtual modifiers."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://security.gentoo.org/glsa/201810-05","name":"GLSA-201810-05","tags":["vendor-advisory","x_refsource_GENTOO"]},{"url":"https://lists.freedesktop.org/archives/wayland-devel/2018-August/039243.html","tags":["x_refsource_MISC"]},{"url":"https://usn.ubuntu.com/3786-1/","name":"USN-3786-1","tags":["vendor-advisory","x_refsource_UBUNTU"]},{"url":"https://github.com/xkbcommon/libxkbcommon/commit/4e2ee9c3f6050d773f8bbe05bc0edb17f1ff8371","tags":["x_refsource_MISC"]},{"url":"https://usn.ubuntu.com/3786-2/","name":"USN-3786-2","tags":["vendor-advisory","x_refsource_UBUNTU"]},{"url":"https://access.redhat.com/errata/RHSA-2019:2079","name":"RHSA-2019:2079","tags":["vendor-advisory","x_refsource_REDHAT"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mitre","dateUpdated":"2019-08-06T16:06:20.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca"},"datePublic":"2018-08-25T00:00:00.000Z","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2018-15862","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Unchecked NULL pointer usage in LookupModMask in xkbcomp/expr.c in xkbcommon before 0.8.2 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file with invalid virtual modifiers."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"GLSA-201810-05","refsource":"GENTOO","url":"https://security.gentoo.org/glsa/201810-05"},{"name":"https://lists.freedesktop.org/archives/wayland-devel/2018-August/039243.html","refsource":"MISC","url":"https://lists.freedesktop.org/archives/wayland-devel/2018-August/039243.html"},{"name":"USN-3786-1","refsource":"UBUNTU","url":"https://usn.ubuntu.com/3786-1/"},{"name":"https://github.com/xkbcommon/libxkbcommon/commit/4e2ee9c3f6050d773f8bbe05bc0edb17f1ff8371","refsource":"MISC","url":"https://github.com/xkbcommon/libxkbcommon/commit/4e2ee9c3f6050d773f8bbe05bc0edb17f1ff8371"},{"name":"USN-3786-2","refsource":"UBUNTU","url":"https://usn.ubuntu.com/3786-2/"},{"name":"RHSA-2019:2079","refsource":"REDHAT","url":"https://access.redhat.com/errata/RHSA-2019:2079"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://security.gentoo.org/glsa/201810-05","name":"GLSA-201810-05","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred"]},{"url":"https://lists.freedesktop.org/archives/wayland-devel/2018-August/039243.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://usn.ubuntu.com/3786-1/","name":"USN-3786-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"]},{"url":"https://github.com/xkbcommon/libxkbcommon/commit/4e2ee9c3f6050d773f8bbe05bc0edb17f1ff8371","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://usn.ubuntu.com/3786-2/","name":"USN-3786-2","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"]},{"url":"https://access.redhat.com/errata/RHSA-2019:2079","name":"RHSA-2019:2079","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-05T10:10:04.954Z"}}]}}}