Off-by-one error in the pngcrushmeasureidat function in pngcrush.c in pngcrush before 1.7.84 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted PNG file.
"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-43966.json"