---
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'
---

## Overview

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.

## Affected

- `eBook-speaker >= 6.1.0 <= 6.2.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.