How severe is CVE-2009-0691?

CVE-2009-0691 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2009-0691 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-0691?

CVE-2009-0691 primarily affects Foxitsoftware Jpeg2000 Jbig2 Decoder Add-on. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-0691?

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-2009-0691 published?

CVE-2009-0691 was published on 2009-06-23 and last updated on 2026-06-16.

CVE-2009-0691

CVE-2009-0691 is a critical-severity vulnerability in Foxitsoftware Jpeg2000 Jbig2 Decoder Add-on 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. The underlying weakness is classified as CWE-399.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Foxitsoftware Jpeg2000 Jbig2 Decoder Add-on
Published: 2009-06-23
Last modified: 2026-06-16

Description

The Foxit JPEG2000/JBIG2 Decoder add-on before 2.0.2009.616 for Foxit Reader 3.0 before Build 1817 does not properly handle a fatal error during decoding of a JPEG2000 (aka JPX) header, which allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via a crafted PDF file that triggers an invalid memory access.

Frequently asked questions

What is CVE-2009-0691?: The Foxit JPEG2000/JBIG2 Decoder add-on before 2.0.2009.616 for Foxit Reader 3.0 before Build 1817 does not properly handle a fatal error during decoding of a JPEG2000 (aka JPX) header, which allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via a crafted PDF file that triggers an invalid memory access.
How severe is CVE-2009-0691?: CVE-2009-0691 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2009-0691 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0691?: CVE-2009-0691 primarily affects Foxitsoftware Jpeg2000 Jbig2 Decoder Add-on. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-0691?: 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-2009-0691 published?: CVE-2009-0691 was published on 2009-06-23 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:foxitsoftware:jpeg2000_jbig2_decoder_add-on:*:*:*:*:*:*:*:*
cpe:2.3:a:foxitsoftware:foxit_reader:3.0:*:*:*:*:*:*:*

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