{"id":"JLSEC-2026-1084","summary":"CMS (Cryptographic Message Syntax) parsing in gpgsm in GnuPG through 2.5.20 mishandles the CMS...","details":"CMS (Cryptographic Message Syntax) parsing in gpgsm in GnuPG through 2.5.20 mishandles the CMS format for AES-GCM because aes-ICVlen is supposed to be 12 bytes but 4 bytes is accepted. NOTE: this is related to CVE-2026-34182.","modified":"2026-07-31T14:05:36.618446010Z","published":"2026-07-31T13:46:32.466Z","upstream":["CVE-2026-57062","EUVD-2026-38550","GHSA-m6x2-4hhh-669j"],"database_specific":{"sources":[{"imported":"2026-07-31T13:16:39.079Z","modified":"2026-06-25T20:16:05.473Z","published":"2026-06-23T18:18:10.973Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-57062","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-57062","database_specific":{"status":"Awaiting Analysis"},"id":"CVE-2026-57062"},{"imported":"2026-07-31T13:16:39.270Z","modified":"2026-06-23T18:31:56Z","published":"2026-06-23T18:31:45Z","url":"https://api.github.com/advisories/GHSA-m6x2-4hhh-669j","html_url":"https://github.com/advisories/GHSA-m6x2-4hhh-669j","id":"GHSA-m6x2-4hhh-669j"},{"html_url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-38550","id":"EUVD-2026-38550","imported":"2026-07-31T13:16:36.435Z","modified":"2026-06-23T17:35:30Z","published":"2026-06-23T17:26:25Z","url":"https://euvdservices.enisa.europa.eu/api/enisaid?id=EUVD-2026-38550"}],"license":"CC-BY-4.0"},"references":[{"type":"WEB","url":"https://blog.calif.io/p/how-to-format-a-ciphertext"},{"type":"WEB","url":"https://github.com/advisories/GHSA-m6x2-4hhh-669j"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-57062"},{"type":"WEB","url":"https://www.gnupg.org/download"},{"type":"WEB","url":"https://www.gnupg.org/download/"}],"affected":[{"package":{"name":"GnuPG_jll","ecosystem":"Julia","purl":"pkg:julia/GnuPG_jll?uuid=1522389b-45f8-5faa-af4d-a301b79c50ac"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.5.21+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-1084.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N"}]}