CVE-2009-0191

Foxit Reader vulnerability

CVSS

9.3

EPSS

5.0%

EPSS pct

91th

Exploited

No known

Foxit Reader 2.3 before Build 3902 and 3.0 before Build 1506, including 3.0.2009.1301, does not properly handle a JBIG2 symbol dictionary segment with zero new symbols, which allows remote attackers to execute arbitrary code via a crafted PDF file that triggers a dereference of an uninitialized memory location.

Affected vendor

Foxitsoftware

Affected product

Foxit Reader

CVSS vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Weakness type (CWE)

CWE-94 — Code Injection

Published

2009-03-10

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring no authentication. Successful exploitation leads to complete impact to confidentiality, complete impact to integrity, complete impact to availability.

Its EPSS score of 5.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2009-0191

Confirm whether Foxitsoftware Foxit Reader is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2009-0191.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2009-0191

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2009-0191 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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