CVE-2018-3942
An exploitable use-after-free vulnerability exists in the JavaScript engine of Foxit Software's PDF Reader, version 9.1.0.5096.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.16%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An exploitable use-after-free vulnerability exists in the JavaScript engine of Foxit Software's PDF Reader, version 9.1.0.5096. 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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 3.16% probability · 88th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- foxitsoftware/phantompdf · foxitsoftware/reader
- Source
- talos-cna@cisco.com
EPSS 3.2% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securitytracker.com/id/1041769Third Party Advisory, VDB Entry
- https://talosintelligence.com/vulnerability_reports/TALOS-2018-0609Exploit, Third Party Advisory
- https://www.foxitsoftware.com/support/security-bulletins.phpPatch, Vendor Advisory
- http://www.securitytracker.com/id/1041769Third Party Advisory, VDB Entry
- https://talosintelligence.com/vulnerability_reports/TALOS-2018-0609Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.