{"id":"USN-8720-1","summary":"gnupg2 vulnerability","details":"It was discovered that GnuPG incorrectly validated authentication tag\nlengths when parsing CMS messages encrypted with AES-GCM. An attacker could\npossibly use this issue to bypass message integrity checks.","modified":"2026-09-03T22:56:56.075624568Z","published":"2026-09-03T12:55:50Z","related":["UBUNTU-CVE-2026-57062"],"upstream":["CVE-2026-57062","UBUNTU-CVE-2026-57062"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8720-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-57062"}],"affected":[{"package":{"name":"gnupg2","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/gnupg2?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.4-2ubuntu17.6"}]}],"versions":["2.2.40-1.1ubuntu1","2.4.4-2ubuntu7","2.4.4-2ubuntu15","2.4.4-2ubuntu16","2.4.4-2ubuntu17","2.4.4-2ubuntu17.2","2.4.4-2ubuntu17.3","2.4.4-2ubuntu17.4"],"ecosystem_specific":{"binaries":[{"binary_name":"dirmngr","binary_version":"2.4.4-2ubuntu17.6"},{"binary_name":"gnupg","binary_version":"2.4.4-2ubuntu17.6"},{"binary_name":"gnupg-agent","binary_version":"2.4.4-2ubuntu17.6"},{"binary_name":"gnupg-l10n","binary_version":"2.4.4-2ubuntu17.6"},{"binary_name":"gnupg-utils","binary_version":"2.4.4-2ubuntu17.6"},{"binary_version":"2.4.4-2ubuntu17.6","binary_name":"gnupg2"},{"binary_name":"gpg","binary_version":"2.4.4-2ubuntu17.6"},{"binary_name":"gpg-agent","binary_version":"2.4.4-2ubuntu17.6"},{"binary_version":"2.4.4-2ubuntu17.6","binary_name":"gpg-wks-client"},{"binary_name":"gpg-wks-server","binary_version":"2.4.4-2ubuntu17.6"},{"binary_name":"gpgconf","binary_version":"2.4.4-2ubuntu17.6"},{"binary_name":"gpgsm","binary_version":"2.4.4-2ubuntu17.6"},{"binary_name":"gpgv","binary_version":"2.4.4-2ubuntu17.6"},{"binary_name":"gpgv-static","binary_version":"2.4.4-2ubuntu17.6"},{"binary_name":"gpgv-win32","binary_version":"2.4.4-2ubuntu17.6"},{"binary_name":"keyboxd","binary_version":"2.4.4-2ubuntu17.6"},{"binary_name":"scdaemon","binary_version":"2.4.4-2ubuntu17.6"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:24.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2026-57062"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8720-1.json"}},{"package":{"name":"gnupg2","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/gnupg2?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.8-4ubuntu3.1"}]}],"versions":["2.4.8-2ubuntu2","2.4.8-4ubuntu1","2.4.8-4ubuntu2","2.4.8-4ubuntu3"],"ecosystem_specific":{"binaries":[{"binary_version":"2.4.8-4ubuntu3.1","binary_name":"dirmngr"},{"binary_name":"gnupg","binary_version":"2.4.8-4ubuntu3.1"},{"binary_name":"gnupg-agent","binary_version":"2.4.8-4ubuntu3.1"},{"binary_version":"2.4.8-4ubuntu3.1","binary_name":"gnupg-l10n"},{"binary_name":"gnupg-utils","binary_version":"2.4.8-4ubuntu3.1"},{"binary_name":"gnupg2","binary_version":"2.4.8-4ubuntu3.1"},{"binary_name":"gpg","binary_version":"2.4.8-4ubuntu3.1"},{"binary_version":"2.4.8-4ubuntu3.1","binary_name":"gpg-agent"},{"binary_name":"gpg-wks-client","binary_version":"2.4.8-4ubuntu3.1"},{"binary_name":"gpg-wks-server","binary_version":"2.4.8-4ubuntu3.1"},{"binary_version":"2.4.8-4ubuntu3.1","binary_name":"gpgconf"},{"binary_name":"gpgsm","binary_version":"2.4.8-4ubuntu3.1"},{"binary_name":"gpgv","binary_version":"2.4.8-4ubuntu3.1"},{"binary_name":"gpgv-static","binary_version":"2.4.8-4ubuntu3.1"},{"binary_name":"scdaemon","binary_version":"2.4.8-4ubuntu3.1"},{"binary_name":"tpm2daemon","binary_version":"2.4.8-4ubuntu3.1"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2026-57062","severity":[{"score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:26.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8720-1.json"}}],"schema_version":"1.9.0"}