How severe is CVE-2016-9317?

CVE-2016-9317 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2016-9317 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-9317?

CVE-2016-9317 affects Libgd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-9317?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-9317 published?

CVE-2016-9317 was published on 2017-01-26 and last updated on 2026-06-17.

CVE-2016-9317

CVE-2016-9317 is a medium-severity vulnerability in Libgd with a CVSS 3.x base score of 5.5. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 7.1
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Libgd
Published: 2017-01-26
Last modified: 2026-06-17

Description

The gdImageCreate function in the GD Graphics Library (aka libgd) before 2.2.4 allows remote attackers to cause a denial of service (system hang) via an oversized image.

Frequently asked questions

What is CVE-2016-9317?: The gdImageCreate function in the GD Graphics Library (aka libgd) before 2.2.4 allows remote attackers to cause a denial of service (system hang) via an oversized image.
How severe is CVE-2016-9317?: CVE-2016-9317 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2016-9317 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-9317?: CVE-2016-9317 affects Libgd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-9317?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-9317 published?: CVE-2016-9317 was published on 2017-01-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:libgd:libgd:*:*:*:*:*:*:*:*

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