{"id":"UBUNTU-CVE-2026-123199","details":"eBook-speaker 6.1.0 through 6.2.0 contains a stack buffer overflow vulnerability in get_attributes() in src/common.c caused by an unbounded strcpy of an element's name attribute. Attackers can craft an EPUB or DAISY book with a name attribute of 511 or more characters to corrupt the stack and crash the reader when opened.","modified":"2026-11-07T01:46:29.938428188Z","published":"2026-11-06T00:00:00Z","upstream":["CVE-2026-123199"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-123199"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-123199"},{"type":"REPORT","url":"https://github.com/book-readers/ebook-speaker/blob/4a8f457a0fd65a96463c0fa9bd0612242c081dc8/src/common.c#L631-L632"},{"type":"REPORT","url":"https://github.com/book-readers/ebook-speaker/commit/23b5c86585d7e3c27c932b112f4e36858e70f210"},{"type":"REPORT","url":"https://www.vulncheck.com/advisories/ebook-speaker-through-6.2.0-stack-based-buffer-overflow-via-element-name-attribute"}],"affected":[{"package":{"name":"ebook-speaker","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/ebook-speaker?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.8.1-1","2.8.1-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"ebook-speaker","binary_version":"2.8.1-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-123199.json"}},{"package":{"name":"ebook-speaker","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/ebook-speaker?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.1.0-2","4.1.0-2build1","5.0.0-1"],"ecosystem_specific":{"binaries":[{"binary_name":"ebook-speaker","binary_version":"5.0.0-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-123199.json"}},{"package":{"name":"ebook-speaker","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/ebook-speaker?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.3-2"],"ecosystem_specific":{"binaries":[{"binary_name":"ebook-speaker","binary_version":"5.3-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-123199.json"}},{"package":{"name":"ebook-speaker","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/ebook-speaker?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.5.2-1","6.2.0-2","6.2.0-3","6.2.0-4"],"ecosystem_specific":{"binaries":[{"binary_name":"ebook-speaker","binary_version":"6.2.0-4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-123199.json"}},{"package":{"name":"ebook-speaker","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/ebook-speaker?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.2.0-4","6.2.0-5","6.2.0-5build1","6.2.0-5build2"],"ecosystem_specific":{"binaries":[{"binary_version":"6.2.0-5build2","binary_name":"ebook-speaker"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-123199.json"}},{"package":{"name":"ebook-speaker","ecosystem":"Ubuntu:26.10","purl":"pkg:deb/ubuntu/ebook-speaker?arch=source&distro=stonking"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.2.0-7build1"],"ecosystem_specific":{"binaries":[{"binary_name":"ebook-speaker","binary_version":"6.2.0-7build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-123199.json"}},{"package":{"name":"ebook-speaker","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/ebook-speaker?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.2.0-7","6.2.0-7build1"],"ecosystem_specific":{"binaries":[{"binary_version":"6.2.0-7build1","binary_name":"ebook-speaker"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-123199.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}]}