{"id":"CVE-2026-123199","title":"eBook-speaker through 6.2.0 Stack-based Buffer Overflow via element name attribute","summary":"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 attr…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cvssSource":"cna","cwe":["CWE-120"],"vendor":"book-readers","product":"eBook-speaker","affected":["eBook-speaker >= 6.1.0 <= 6.2.0"],"published":"2026-11-05","updated":"2026-11-05","sourceUpdated":"2026-11-05T18:16:36.404Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-123199","references":[{"url":"https://github.com/book-readers/ebook-speaker/commit/23b5c86585d7e3c27c932b112f4e36858e70f210"},{"url":"https://github.com/book-readers/ebook-speaker/blob/4a8f457a0fd65a96463c0fa9bd0612242c081dc8/src/common.c#L631-L632"},{"url":"https://www.vulncheck.com/advisories/ebook-speaker-through-6.2.0-stack-based-buffer-overflow-via-element-name-attribute","label":"VulnCheck Advisory: eBook-speaker through 6.2.0 Stack-based Buffer Overflow via element name attribute"}],"tags":["cve.org"],"ingestedAt":"2026-11-05T22:38:31.455Z","slug":"CVE-2026-123199","body":"## Overview\n\neBook-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.\n\n## Affected\n\n- `eBook-speaker >= 6.1.0 <= 6.2.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}