Use after free in Talos Foxit
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- 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 JavaScript engine of Foxit Software Foxit PDF Reader version 9.0.1.1049. A specially crafted PDF document can trigger a previously freed object in memory to be reused resulting in arbitrary code execution. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. If the browser plugin extension is enabled, visiting a malicious site can also trigger the vulnerability.
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 | Foxit | Foxit PDF Reader 9.0.1.1049 | — | No fix listed | CNA |
- Foxit VendorTalos Affected Foxit PDF Reader 9.0.1.1049 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:foxitsoftware:foxit_reader:9.0.1.1049:*:*:*:*:*:*:* | 9.0.1.1049 | Vulnerable | Foxitsoftware |
- cpe:2.3:a:foxitsoftware:foxit_reader:9.0.1.1049:*:*:*:*:*:*:* Versions 9.0.1.1049 Vulnerable ·Foxitsoftware
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-3853
- 2026-10-03 Alias added: GHSA-r784-vwqv-w29w
References
More Foxitsoftware Foxit Reader vulnerabilities
- TI-2020-10635 Use after free in Foxit CVSS 3.1HIGH 8.8
- TI-2020-10626 Use after free in Foxit CVSS 3.1HIGH 8.8
- TI-2023-21064 An arbitrary file creation vulnerability exists in the Javascript exportDataObject API of… CVSS 3.1HIGH 8.8
- TI-2023-19948 Use after free in Foxit Reader CVSS 3.1HIGH 8.8
- TI-2023-18045 An arbitrary file creation vulnerability exists in the Javascript exportDataObject API of… CVSS 3.1HIGH 8.8
- TI-2018-07063 Use after free in Foxit Reader CVSS 3.0HIGH 8.8
Sources
- CVE-2018-3853 · CVE Program
- CVE-2018-3853 · NVD
- FIRST EPSS
- GHSA-r784-vwqv-w29w · 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