CVE-2009-0193

CVE-2009-0193 is a critical-severity vulnerability in Adobe Acrobat 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. The underlying weakness is classified as CWE-119.

Key facts

Description

Heap-based buffer overflow in Adobe Acrobat Reader 9 before 9.1, 8 before 8.1.4, and 7 before 7.1.1 allows remote attackers to execute arbitrary code via a PDF file with a malformed JBIG2 symbol dictionary segment, a different vulnerability than CVE-2009-1061 and CVE-2009-1062.

Frequently asked questions

What is CVE-2009-0193?
Heap-based buffer overflow in Adobe Acrobat Reader 9 before 9.1, 8 before 8.1.4, and 7 before 7.1.1 allows remote attackers to execute arbitrary code via a PDF file with a malformed JBIG2 symbol dictionary segment, a different vulnerability than CVE-2009-1061 and CVE-2009-1062.
How severe is CVE-2009-0193?
CVE-2009-0193 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2009-0193 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-2009-0193?
CVE-2009-0193 affects Adobe Acrobat Reader. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-0193?
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-2009-0193 published?
CVE-2009-0193 was published on 2009-03-25 and last updated on 2026-06-16.

References

Affected products (1)

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