{"id":"AZL-41475","summary":"CVE-2011-2691 affecting package syslinux for versions less than 6.04-11","details":"The png_err function in pngerror.c in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x before 1.4.8, and 1.5.x before 1.5.4 makes a function call using a NULL pointer argument instead of an empty-string argument, which allows remote attackers to cause a denial of service (application crash) via a crafted PNG image.","modified":"2026-04-21T04:29:17.792445Z","published":"2011-07-17T20:55:01Z","upstream":["CVE-2011-2691"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2011-2691"}],"affected":[{"package":{"name":"syslinux","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/syslinux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.04-11"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-41475.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}