CVE-2012-4896

CVE-2012-4896 is a critical-severity vulnerability in Sumatrapdfreader Sumatrapdf 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 SumatraPDF before 2.1 allows remote attackers to execute arbitrary code via a crafted PDF document, a different vulnerability than CVE-2012-4895.

Frequently asked questions

What is CVE-2012-4896?
Heap-based buffer overflow in SumatraPDF before 2.1 allows remote attackers to execute arbitrary code via a crafted PDF document, a different vulnerability than CVE-2012-4895.
How severe is CVE-2012-4896?
CVE-2012-4896 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2012-4896 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-2012-4896?
CVE-2012-4896 primarily affects Sumatrapdfreader Sumatrapdf. In total, 28 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-4896?
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-2012-4896 published?
CVE-2012-4896 was published on 2012-10-05 and last updated on 2026-06-16.

References

Affected products (28)

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