CVE-2018-3956

HIGH
7.1
CVSS Score
Published: January 30, 2019 at 10:00 PM UTC
Updated: June 17, 2026 at 01:58 AM UTC
3 products affected across 1 vendorPhantomPDFReaderPDF Reader· also runs on 1 platform

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Severity
HIGH7.1
Exploit prediction
EPSS 46%

Description

An exploitable out-of-bounds read vulnerability exists in the handling of certain XFA element attributes of Foxit Software's PDF Reader version 9.1.0.5096. A specially crafted PDF document can trigger an out-of-bounds read, which can disclose sensitive memory content and aid in exploitation when coupled with another vulnerability. 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 9.3.0.10826
microsoft-windows (environment)
v ≤ 9.3.0.10826
microsoft-windows (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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