How severe is CVE-2023-3430?

CVE-2023-3430 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-3430 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-3430?

CVE-2023-3430 affects Openimageio. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-3430?

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-2023-3430 published?

CVE-2023-3430 was published on 2023-12-18 and last updated on 2026-06-17.

CVE-2023-3430

CVE-2023-3430 is a high-severity vulnerability in Openimageio with a CVSS 3.x base score of 7.5. 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 7.5)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Openimageio
Published: 2023-12-18
Last modified: 2026-06-17

Description

A vulnerability was found in OpenImageIO, where a heap buffer overflow exists in the src/gif.imageio/gifinput.cpp file. This flaw allows a remote attacker to pass a specially crafted file to the application, which triggers a heap-based buffer overflow and could cause a crash, leading to a denial of service.

Frequently asked questions

What is CVE-2023-3430?: A vulnerability was found in OpenImageIO, where a heap buffer overflow exists in the src/gif.imageio/gifinput.cpp file. This flaw allows a remote attacker to pass a specially crafted file to the application, which triggers a heap-based buffer overflow and could cause a crash, leading to a denial of service.
How severe is CVE-2023-3430?: CVE-2023-3430 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-3430 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-3430?: CVE-2023-3430 affects Openimageio. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-3430?: 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-2023-3430 published?: CVE-2023-3430 was published on 2023-12-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openimageio:openimageio:2.4.11:*:*:*:*:*:*:*

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