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01 Record

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. A specially crafted PDF document can trigger a previously freed object

HighPUBLISHEDCNA: talos
CNA base score8.0 CVSS v3.xCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
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02 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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
3.15% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 87.8% of scored records. A rank, not a probability.
NVD base score
8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2018-10-08 16:00Z8 YR AGO
Last updated
2024-09-17 02:17Z2 YR AGO
Reserved
2018-01-02
Assigning CNA
talos
Record state
PUBLISHED
Severity
High (CVSS 8.0)
CNA CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Weaknesses
Data version
5.1
Document digest
73916cc761076c650f1a0486796466168de68d1e3ab55d9e60db30e320992f00

05 Affected products

VendorProductVersionsPlatforms
Foxit SoftwareFoxit PDF Reader9.1.0.5096—

06 References