{"id":"CLEANSTART-2026-KN78951","summary":"Due to failure in validating the length provided by an attacker-crafted PPD PostScript document, CUPS and libppd are susceptible to a heap-based buffer overflow and possibly code execution","details":"Security vulnerability affects the cups package. Due to failure in validating the length provided by an attacker-crafted PPD PostScript document, CUPS and libppd are susceptible to a heap-based buffer overflow and possibly code execution.","modified":"2026-10-31T16:04:20.119260299Z","published":"2026-10-31T13:44:32.353942Z","upstream":["CVE-2023-4504"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-KN78951.json"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2023-4504"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4504"}],"affected":[{"package":{"name":"cups","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/cups"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.7-r0"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-KN78951.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}