SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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.

MEDIUM 4.3EPSS 4.27%

Does this matter?

Lower severity and a low EPSS score (4.27%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 2.0
4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
EPSS
4.27% probability · 91th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
libgd/libgd
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 4.27%26 October 202626 October 2026

EPSS 4.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.