How severe is CVE-2012-4337?

CVE-2012-4337 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2012-4337 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-4337?

CVE-2012-4337 primarily affects Foxitsoftware Foxit Reader. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-4337?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2012-4337 published?

CVE-2012-4337 was published on 2012-08-23 and last updated on 2026-06-16.

CVE-2012-4337

CVE-2012-4337 is a critical-severity vulnerability in Foxitsoftware Foxit Reader with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Foxitsoftware Foxit Reader
Published: 2012-08-23
Last modified: 2026-06-16

Description

Foxit Reader before 5.3 on Windows XP and Windows 7 allows remote attackers to execute arbitrary code via a PDF document with a crafted attachment that triggers calculation of a negative number during processing of cross references.

Frequently asked questions

What is CVE-2012-4337?: Foxit Reader before 5.3 on Windows XP and Windows 7 allows remote attackers to execute arbitrary code via a PDF document with a crafted attachment that triggers calculation of a negative number during processing of cross references.
How severe is CVE-2012-4337?: CVE-2012-4337 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2012-4337 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-4337?: CVE-2012-4337 primarily affects Foxitsoftware Foxit Reader. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-4337?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2012-4337 published?: CVE-2012-4337 was published on 2012-08-23 and last updated on 2026-06-16.

References

Affected products (19)

cpe:2.3:a:foxitsoftware:foxit_reader:*:*:*:*:*:*:*:*
cpe:2.3:a:foxitsoftware:foxit_reader:2.0:*:*:*:*:*:*:*
cpe:2.3:a:foxitsoftware:foxit_reader:2.3:*:*:*:*:*:*:*
cpe:2.3:a:foxitsoftware:foxit_reader:3.0:*:*:*:*:*:*:*
cpe:2.3:a:foxitsoftware:foxit_reader:3.1.2.1013:*:*:*:*:*:*:*
cpe:2.3:a:foxitsoftware:foxit_reader:3.1.2.1030:*:*:*:*:*:*:*
cpe:2.3:a:foxitsoftware:foxit_reader:3.2.0.0303:*:*:*:*:*:*:*
cpe:2.3:a:foxitsoftware:foxit_reader:3.2.1.0401:*:*:*:*:*:*:*
cpe:2.3:a:foxitsoftware:foxit_reader:4.0:*:*:*:*:*:*:*
cpe:2.3:a:foxitsoftware:foxit_reader:4.0.0.0619:*:*:*:*:*:*:*
cpe:2.3:a:foxitsoftware:foxit_reader:4.1:*:*:*:*:*:*:*
cpe:2.3:a:foxitsoftware:foxit_reader:4.1.1.0805:*:*:*:*:*:*:*
cpe:2.3:a:foxitsoftware:foxit_reader:4.2:*:*:*:*:*:*:*
cpe:2.3:a:foxitsoftware:foxit_reader:4.3:*:*:*:*:*:*:*
cpe:2.3:a:foxitsoftware:foxit_reader:4.3.1.0218:*:*:*:*:*:*:*
cpe:2.3:a:foxitsoftware:foxit_reader:5.0:*:*:*:*:*:*:*
cpe:2.3:a:foxitsoftware:foxit_reader:5.0.2:*:*:*:*:*:*:*
cpe:2.3:a:foxitsoftware:foxit_reader:5.1.0.1021:*:*:*:*:*:*:*
cpe:2.3:a:foxitsoftware:foxit_reader:5.1.3:*:*:*:*:*:*:*