Use after free in Talos Aspose
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.
Summary
An exploitable use-after-free vulnerability exists in the way LZW-compressed streams are processed in Aspose.PDF 19.2 for C++. A specially crafted PDF can cause a dangling heap pointer, resulting in a use-after-free condition. To trigger this vulnerability, a specifically crafted PDF document needs to be processed by the target application.
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 |
|---|---|---|---|---|---|
| Talos | Aspose | Aspose.PDF 19.2 | — | No fix listed | CNA |
- Aspose VendorTalos Affected Aspose.PDF 19.2 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-5066
- 2026-10-03 Alias added: GHSA-jqg4-p627-84cf
References
More Aspose.pdf For C++ vulnerabilities
- TI-2019-03528 Use after free in Talos Aspose CVSS 3.1CRITICAL 9.8
- TI-2019-03505 Use after free in Talos Aspose.PDF for C++ CVSS 3.1HIGH 8.8
Sources
- CVE-2019-5066 · CVE Program
- CVE-2019-5066 · NVD
- FIRST EPSS
- GHSA-jqg4-p627-84cf · 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