Stack-based buffer overflow in eBook-speaker via element name attribute
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
eBook-speaker 6.1.0 through 6.2.0 contains a stack-based buffer overflow in get_attributes() caused by an unbounded strcpy of an element's name attribute (CWE-120). An attacker who supplies a crafted EPUB or DAISY book can corrupt the stack and crash the reader if a user opens it, with no confidentiality or integrity impact.
Written with Claude Haiku 5.5 from the sources below · 2026-11-06
Description from the CNA
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| book-readers | eBook-speaker | 6.1.0 – 6.2.0 | — | No fix listed | CNA |
- eBook-speaker Vendorbook-readers Affected 6.1.0 – 6.2.0 Fixed in — No fix listed CNA
Remediation
The sources list no fixed version for eBook-speaker.
Written with Claude Haiku 5.5 from the sources below · 2026-11-06
Timeline
- 2026-11-05 Threatist record created from CVE-2026-123199
- 2026-11-05 Alias added: GHSA-fpw6-9pxv-22cx
- 2026-11-07 Priority changed: MEDIUM → LOW
References
Sources
- CVE-2026-123199 · CVE Program
- CVE-2026-123199 · NVD
- FIRST EPSS
- GHSA-fpw6-9pxv-22cx · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences