{"id":"UBUNTU-CVE-2019-17263","details":"** DISPUTED ** In libyal libfwsi before 20191006, libfwsi_extension_block_copy_from_byte_stream in libfwsi_extension_block.c has a heap-based buffer over-read because rejection of an unsupported size only considers values less than 6, even though values of 6 and 7 are also unsupported. NOTE: the vendor has disputed this as described in the GitHub issue.","modified":"2019-10-06T22:15:00Z","published":"2019-10-06T22:15:00Z","withdrawn":"2025-06-23T15:53:28Z","references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-17263"},{"type":"REPORT","url":"https://github.com/libyal/libfwsi/issues/13"},{"type":"REPORT","url":"https://github.com/libyal/libfwsi/commit/54afa5c71d6c795a555dbcb1e160fea393b98fb3"},{"type":"REPORT","url":"https://github.com/libyal/libfwsi/compare/20181227...20191006"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-17263"}],"affected":[{"package":{"name":"libfwsi","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libfwsi"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20150701-2","20160110-1"],"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-17263.json"}},{"package":{"name":"liblnk","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/liblnk"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20150617-2","20150830-1","20151205-1","20160107-1"],"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-17263.json"}},{"package":{"name":"libfwsi","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/libfwsi"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20170117-1","20171103-1"],"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-17263.json"}},{"package":{"name":"liblnk","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/liblnk"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20170111-1build1","20171101-1"],"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-17263.json"}},{"package":{"name":"libfwsi","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libfwsi"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20181227-1","20181227-1ubuntu1","20181227-1ubuntu2","20181227-1.1"],"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-17263.json"}},{"package":{"name":"liblnk","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/liblnk"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20181227-1","20181227-1.1"],"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-17263.json"}},{"package":{"name":"libfwsi","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libfwsi"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20181227-1.1build1","20181227-1.1build2"],"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-17263.json"}},{"package":{"name":"liblnk","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/liblnk"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20181227-1.1build1","20181227-1.1build2"],"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-17263.json"}},{"package":{"name":"libfwsi","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libfwsi"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20181227-1.1build3","20181227-1.1build4","20181227-1.2","20181227-1.2build1"],"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-17263.json"}},{"package":{"name":"liblnk","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/liblnk"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20181227-1.1build3","20181227-1.1build4","20181227-1.2","20181227-1.2build1"],"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-17263.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"}]}