CVE-2009-1721

CVE-2009-1721 is a medium-severity vulnerability in Openexr with a CVSS 2.0 base score of 6.8. 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-824.

Key facts

Description

The decompression implementation in the Imf::hufUncompress function in OpenEXR 1.2.2 and 1.6.1 allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via vectors that trigger a free of an uninitialized pointer.

Frequently asked questions

What is CVE-2009-1721?
The decompression implementation in the Imf::hufUncompress function in OpenEXR 1.2.2 and 1.6.1 allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via vectors that trigger a free of an uninitialized pointer.
How severe is CVE-2009-1721?
CVE-2009-1721 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2009-1721 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1721?
CVE-2009-1721 primarily affects Openexr. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-1721?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-1721 published?
CVE-2009-1721 was published on 2009-07-31 and last updated on 2026-06-16.

References

Affected products (13)

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