{"id":"CVE-2026-123199","summary":"eBook-speaker through 6.2.0 Stack-based Buffer Overflow via element name attribute","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":"2026-11-05T21:32:23.913609418Z","published":"2026-11-05T18:16:36.404Z","database_specific":{"cwe_ids":["CWE-120"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/123xxx/CVE-2026-123199.json","cna_assigner":"VulnCheck"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/123xxx/CVE-2026-123199.json"},{"type":"PACKAGE","url":"https://github.com/book-readers/ebook-speaker"},{"type":"ARTICLE","url":"https://github.com/book-readers/ebook-speaker/blob/4a8f457a0fd65a96463c0fa9bd0612242c081dc8/src/common.c#L631-L632"},{"type":"FIX","url":"https://github.com/book-readers/ebook-speaker/commit/23b5c86585d7e3c27c932b112f4e36858e70f210"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-123199"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/ebook-speaker-through-6.2.0-stack-based-buffer-overflow-via-element-name-attribute"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/book-readers/ebook-speaker","events":[{"introduced":"40a27778f7f950dfaca78aae4759d6593a8c79b8"},{"last_affected":"4a8f457a0fd65a96463c0fa9bd0612242c081dc8"},{"fixed":"23b5c86585d7e3c27c932b112f4e36858e70f210"}],"database_specific":{"extracted_events":[{"range":[{"introduced":"6.1.0"},{"last_affected":"6.2.0"}],"source":"AFFECTED_FIELD","strategy":"StandardRange"},{"range":[{"fixed":"23b5c86585d7e3c27c932b112f4e36858e70f210"}],"source":"REFERENCES_COMMIT"}]}}],"versions":["6.2.0","6.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-123199.json"}}],"schema_version":"1.9.2","severity":[{"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"}]}