{"id":"CVE-2026-5419","summary":"Gnutls: gnutls: information disclosure via timing side-channel in pkcs#7 padding removal","details":"A flaw was found in gnutls. The PKCS#7 padding check, performed during decryption, was not constant-time. This timing side-channel could allow a remote attacker to potentially leak sensitive information about the padding bytes through observable timing differences. This vulnerability is a form of information disclosure.","modified":"2026-10-02T11:46:02.667730950Z","published":"2026-06-01T19:26:56.524Z","related":["SUSE-SU-2026:2115-1","SUSE-SU-2026:21752-1","SUSE-SU-2026:21784-1","SUSE-SU-2026:21815-1","SUSE-SU-2026:21867-1","openSUSE-SU-2026:10691-1","openSUSE-SU-2026:20778-1"],"database_specific":{"cna_assigner":"redhat","cwe_ids":["CWE-208"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/5xxx/CVE-2026-5419.json"},"references":[{"type":"WEB","url":"https://access.redhat.com/downloads/content/package-browser/"},{"type":"WEB","url":"https://catalog.redhat.com/software/containers/"},{"type":"WEB","url":"https://www.gnutls.org/security-new.html#GNUTLS-SA-2026-04-29-13"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:13274"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:20612"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:20613"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:26319"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:26409"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:29197"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:30004"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:32962"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:58981"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:72502"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:74674"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2026-5419"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/5xxx/CVE-2026-5419.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-5419"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2467686"},{"type":"PACKAGE","url":"https://gitlab.com/gnutls/gnutls"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/gnutls/gnutls","events":[{"introduced":"0"},{"last_affected":"0"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"0"}],"source":"AFFECTED_FIELD"}}],"versions":["0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-5419.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"}]}