{"id":"CVE-2025-13763","title":"Multiple uses of uninitialized variables were found in libopensc that may lead to information disclosure or application crash","summary":"Multiple uses of uninitialized variables were found in libopensc that may lead to information disclosure or application crash. An attack requires a crafted USB device or smart card that would present the system with specially crafted res…","severity":"medium","cvss":5.7,"cvssVector":"CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H","cwe":["CWE-457"],"published":"2026-04-23","updated":"2026-06-25","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-13763","references":[{"url":"https://access.redhat.com/security/cve/CVE-2025-13763","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2417581","label":"secalert@redhat.com"},{"url":"https://github.com/OpenSC/OpenSC/security/advisories/GHSA-2v44-fq35-98vv","label":"secalert@redhat.com"},{"url":"https://github.com/OpenSC/OpenSC/wiki/CVE-2025-13763","label":"secalert@redhat.com"},{"url":"https://github.com/OpenSC/OpenSC/security/advisories/GHSA-2v44-fq35-98vv","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd"],"epss":0.00176,"epssPercentile":0.06337,"ingestedAt":"2026-06-29T13:24:34.827Z","slug":"CVE-2025-13763","body":"## Overview\n\nMultiple uses of uninitialized variables were found in libopensc that may lead to information disclosure or application crash. An attack requires a crafted USB device or smart card that would present the system with specially crafted responses to the APDUs\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":31,"depthScoreParts":{"impact":31.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}