How severe is CVE-2017-12596?

CVE-2017-12596 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-12596 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-12596?

CVE-2017-12596 affects Openexr. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-12596?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-12596 published?

CVE-2017-12596 was published on 2017-08-07 and last updated on 2026-06-17.

CVE-2017-12596

CVE-2017-12596 is a high-severity vulnerability in Openexr with a CVSS 3.x base score of 7.8. 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-125.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Openexr
Published: 2017-08-07
Last modified: 2026-06-17

Description

In OpenEXR 2.2.0, a crafted image causes a heap-based buffer over-read in the hufDecode function in IlmImf/ImfHuf.cpp during exrmaketiled execution; it may result in denial of service or possibly unspecified other impact.

Frequently asked questions

What is CVE-2017-12596?: In OpenEXR 2.2.0, a crafted image causes a heap-based buffer over-read in the hufDecode function in IlmImf/ImfHuf.cpp during exrmaketiled execution; it may result in denial of service or possibly unspecified other impact.
How severe is CVE-2017-12596?: CVE-2017-12596 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-12596 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-12596?: CVE-2017-12596 affects Openexr. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-12596?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-12596 published?: CVE-2017-12596 was published on 2017-08-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openexr:openexr:2.2.0:*:*:*:*:*:*:*

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