How severe is CVE-2017-7231?

CVE-2017-7231 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-2017-7231 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-7231?

CVE-2017-7231 affects Pngdefry Project Pngdefry. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-7231?

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-2017-7231 published?

CVE-2017-7231 was published on 2017-03-22 and last updated on 2026-06-17.

CVE-2017-7231

CVE-2017-7231 is a high-severity vulnerability in Pngdefry Project Pngdefry 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-119.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Pngdefry Project Pngdefry
Published: 2017-03-22
Last modified: 2026-06-17

Description

pngdefry through 2017-03-22 is prone to a heap-based buffer-overflow vulnerability because it fails to properly process a specially crafted png file. This issue affects the 'process()' function of the 'pngdefry.c' source file.

Frequently asked questions

What is CVE-2017-7231?: pngdefry through 2017-03-22 is prone to a heap-based buffer-overflow vulnerability because it fails to properly process a specially crafted png file. This issue affects the 'process()' function of the 'pngdefry.c' source file.
How severe is CVE-2017-7231?: CVE-2017-7231 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-2017-7231 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-7231?: CVE-2017-7231 affects Pngdefry Project Pngdefry. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-7231?: 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-2017-7231 published?: CVE-2017-7231 was published on 2017-03-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:pngdefry_project:pngdefry:*:*:*:*:*:*:*:*

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