CVE-2018-18444
CVE-2018-18444 is a high-severity vulnerability in Ilm 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-787.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 6.8
- EPSS exploit prediction: 3% (84th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Ilm Openexr
- Published:
- Last modified:
Description
makeMultiView.cpp in exrmultiview in OpenEXR 2.3.0 has an out-of-bounds write, leading to an assertion failure or possibly unspecified other impact.
Frequently asked questions
- What is CVE-2018-18444?
- makeMultiView.cpp in exrmultiview in OpenEXR 2.3.0 has an out-of-bounds write, leading to an assertion failure or possibly unspecified other impact.
- How severe is CVE-2018-18444?
- CVE-2018-18444 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-2018-18444 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-18444?
- CVE-2018-18444 affects Ilm Openexr. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-18444?
- 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-2018-18444 published?
- CVE-2018-18444 was published on 2018-10-17 and last updated on 2026-06-17.
References
- https://github.com/openexr/openexr/issues/351
- https://github.com/openexr/openexr/releases/tag/v2.4.0
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5E2OZU4ZSF5W4ODBU4L547HX5A4WOBFV/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZN7WUH3SR6DSRODRB4SLFTBKP74FVC5/
- https://usn.ubuntu.com/4148-1/
- https://usn.ubuntu.com/4339-1/
Affected products (1)
- cpe:2.3:a:ilm:openexr:2.3.0:*:*:*:*:*:*:*
More vulnerabilities in Ilm Openexr
- CVE-2018-18443 — Medium (CVSS 4.3): OpenEXR 2.3.0 has a memory leak in ThreadPool in IlmBase/IlmThread/IlmThreadPool.cpp, as demonstrated by exrmultiview.
All CVEs affecting Ilm Openexr →
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