How severe is CVE-2007-2756?

CVE-2007-2756 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2007-2756 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-2756?

CVE-2007-2756 affects Libgd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-2756?

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

When was CVE-2007-2756 published?

CVE-2007-2756 was published on 2007-05-18 and last updated on 2026-06-16.

CVE-2007-2756

CVE-2007-2756 is a medium-severity vulnerability in Libgd with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Libgd
Published: 2007-05-18
Last modified: 2026-06-16

Description

The gdPngReadData function in libgd 2.0.34 allows user-assisted attackers to cause a denial of service (CPU consumption) via a crafted PNG image with truncated data, which causes an infinite loop in the png_read_info function in libpng.

Frequently asked questions

What is CVE-2007-2756?: The gdPngReadData function in libgd 2.0.34 allows user-assisted attackers to cause a denial of service (CPU consumption) via a crafted PNG image with truncated data, which causes an infinite loop in the png_read_info function in libpng.
How severe is CVE-2007-2756?: CVE-2007-2756 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2007-2756 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-2756?: CVE-2007-2756 affects Libgd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-2756?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-2756 published?: CVE-2007-2756 was published on 2007-05-18 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:libgd:libgd:2.0.34:*:*:*:*:*:*:*

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