CVE-2009-0756

CVE-2009-0756 is a medium-severity vulnerability in Poppler with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 10% places it in the 95th percentile, indicating an elevated likelihood of exploitation.

Key facts

• Severity: Medium (CVSS 2.0 base score 5.0)
• EPSS exploit prediction: 10% (95th percentile)
• Actively exploited: Not listed in CISA KEV
• Affected product: Poppler
• Published: 2009-03-03
• Last modified: 2026-06-16

Description

The JBIG2Stream::readSymbolDictSeg function in Poppler before 0.10.4 allows remote attackers to cause a denial of service (crash) via a PDF file that triggers a parsing error, which is not properly handled by JBIG2SymbolDict::~JBIG2SymbolDict and triggers an invalid memory dereference.

Frequently asked questions

What is CVE-2009-0756?

The JBIG2Stream::readSymbolDictSeg function in Poppler before 0.10.4 allows remote attackers to cause a denial of service (crash) via a PDF file that triggers a parsing error, which is not properly handled by JBIG2SymbolDict::~JBIG2SymbolDict and triggers an invalid memory dereference.

How severe is CVE-2009-0756?

CVE-2009-0756 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2009-0756 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-0756?

CVE-2009-0756 primarily affects Poppler. In total, 34 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-0756?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-0756 published?

CVE-2009-0756 was published on 2009-03-03 and last updated on 2026-06-16.

References

• http://bugs.freedesktop.org/show_bug.cgi?id=19702
• http://lists.freedesktop.org/archives/poppler/2009-January/004403.html
• http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
• http://secunia.com/advisories/33853
• http://secunia.com/advisories/35685
• http://wiki.rpath.com/Advisories:rPSA-2009-0059
• http://www.openwall.com/lists/oss-security/2009/02/13/1
• http://www.openwall.com/lists/oss-security/2009/02/19/2
• http://www.securityfocus.com/archive/1/502761/100/0/threaded
• http://www.securityfocus.com/bid/33749

Affected products (34)

• cpe:2.3:a:poppler:poppler:*:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.1:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.3.0:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.3.1:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.3.2:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.3.3:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.4.0:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.4.1:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.4.2:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.4.3:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.4.4:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.5.0:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.5.1:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.5.2:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.5.3:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.5.4:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.5.9:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.5.90:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.5.91:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.6.0:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.6.1:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.6.2:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.6.3:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.6.4:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.7.0:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.7.1:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.7.2:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.7.3:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.8.4:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.10.1:*:*:*:*:*:*:*
• cpe:2.3:a:poppler:poppler:0.10.2:*:*:*:*:*:*:*

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