How severe is CVE-2026-41142?

CVE-2026-41142 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-41142 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-41142?

CVE-2026-41142 affects Openexr. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-41142?

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.

Does CVE-2026-41142 have an EU (EUVD) identifier?

Yes. CVE-2026-41142 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28251.

When was CVE-2026-41142 published?

CVE-2026-41142 was published on 2026-05-07 and last updated on 2026-06-30.

CVE-2026-41142

CVE-2026-41142 is a high-severity vulnerability in Openexr with a CVSS 3.x base score of 8.8. 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-190.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-28251
Weakness: CWE-190
Affected product: Openexr
Published: 2026-05-07
Last modified: 2026-06-30

Description

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From versions 3.0.0 to before 3.2.9, 3.3.0 to before 3.3.11, and 3.4.0 to before 3.4.11, there is an integer overflow in ImageChannel::resize that leads to heap OOB write via OpenEXRUtil public API. This issue has been patched in versions 3.2.9, 3.3.11, and 3.4.11.

Frequently asked questions

What is CVE-2026-41142?: OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From versions 3.0.0 to before 3.2.9, 3.3.0 to before 3.3.11, and 3.4.0 to before 3.4.11, there is an integer overflow in ImageChannel::resize that leads to heap OOB write via OpenEXRUtil public API. This issue has been patched in versions 3.2.9, 3.3.11, and 3.4.11.
How severe is CVE-2026-41142?: CVE-2026-41142 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-41142 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-41142?: CVE-2026-41142 affects Openexr. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-41142?: 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.
Does CVE-2026-41142 have an EU (EUVD) identifier?: Yes. CVE-2026-41142 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28251.
When was CVE-2026-41142 published?: CVE-2026-41142 was published on 2026-05-07 and last updated on 2026-06-30.

References

Affected products (1)

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

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