{"id":"UBUNTU-CVE-2025-68972","details":"In GnuPG through 2.4.8, if a signed message has \\f at the end of a plaintext line, an adversary can construct a modified message that places additional text after the signed material, such that signature verification of the modified message succeeds (although an \"invalid armor\" message is printed during verification). This is related to use of \\f as a marker to denote truncation of a long plaintext line.","modified":"2026-04-02T21:02:39.775105Z","published":"2025-12-27T23:15:00Z","withdrawn":"2026-04-02T17:29:00Z","upstream":["CVE-2025-68972"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-68972"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-68972"},{"type":"REPORT","url":"https://gpg.fail/formfeed"},{"type":"REPORT","url":"https://news.ycombinator.com/item?id=46404339"}],"affected":[{"package":{"name":"gnupg2","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/gnupg2@2.1.11-6ubuntu2.1+esm3?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.28-3ubuntu1","2.0.28-3ubuntu2","2.1.11-6ubuntu1","2.1.11-6ubuntu2","2.1.11-6ubuntu2.1","2.1.11-6ubuntu2.1+esm1","2.1.11-6ubuntu2.1+esm2","2.1.11-6ubuntu2.1+esm3"],"ecosystem_specific":{"binaries":[{"binary_name":"dirmngr","binary_version":"2.1.11-6ubuntu2.1+esm3"},{"binary_name":"gnupg-agent","binary_version":"2.1.11-6ubuntu2.1+esm3"},{"binary_name":"gnupg2","binary_version":"2.1.11-6ubuntu2.1+esm3"},{"binary_name":"gpgsm","binary_version":"2.1.11-6ubuntu2.1+esm3"},{"binary_name":"gpgv2","binary_version":"2.1.11-6ubuntu2.1+esm3"},{"binary_name":"scdaemon","binary_version":"2.1.11-6ubuntu2.1+esm3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-68972.json"}},{"package":{"name":"gnupg2","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/gnupg2@2.2.4-1ubuntu1.6+esm2?arch=source&distro=esm-infra/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.15-1ubuntu8","2.2.4-1ubuntu1","2.2.4-1ubuntu1.1","2.2.4-1ubuntu1.2","2.2.4-1ubuntu1.3","2.2.4-1ubuntu1.4","2.2.4-1ubuntu1.5","2.2.4-1ubuntu1.6","2.2.4-1ubuntu1.6+esm1","2.2.4-1ubuntu1.6+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"dirmngr","binary_version":"2.2.4-1ubuntu1.6+esm2"},{"binary_name":"gnupg","binary_version":"2.2.4-1ubuntu1.6+esm2"},{"binary_name":"gnupg-agent","binary_version":"2.2.4-1ubuntu1.6+esm2"},{"binary_name":"gnupg-l10n","binary_version":"2.2.4-1ubuntu1.6+esm2"},{"binary_name":"gnupg-utils","binary_version":"2.2.4-1ubuntu1.6+esm2"},{"binary_name":"gnupg2","binary_version":"2.2.4-1ubuntu1.6+esm2"},{"binary_name":"gpg","binary_version":"2.2.4-1ubuntu1.6+esm2"},{"binary_name":"gpg-agent","binary_version":"2.2.4-1ubuntu1.6+esm2"},{"binary_name":"gpg-wks-client","binary_version":"2.2.4-1ubuntu1.6+esm2"},{"binary_name":"gpg-wks-server","binary_version":"2.2.4-1ubuntu1.6+esm2"},{"binary_name":"gpgconf","binary_version":"2.2.4-1ubuntu1.6+esm2"},{"binary_name":"gpgsm","binary_version":"2.2.4-1ubuntu1.6+esm2"},{"binary_name":"gpgv","binary_version":"2.2.4-1ubuntu1.6+esm2"},{"binary_name":"gpgv-static","binary_version":"2.2.4-1ubuntu1.6+esm2"},{"binary_name":"gpgv-win32","binary_version":"2.2.4-1ubuntu1.6+esm2"},{"binary_name":"gpgv2","binary_version":"2.2.4-1ubuntu1.6+esm2"},{"binary_name":"scdaemon","binary_version":"2.2.4-1ubuntu1.6+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-68972.json"}},{"package":{"name":"gnupg2","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/gnupg2@2.2.19-3ubuntu2.5+esm1?arch=source&distro=esm-infra/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.12-1ubuntu3","2.2.17-3ubuntu1","2.2.19-3ubuntu2","2.2.19-3ubuntu2.1","2.2.19-3ubuntu2.2","2.2.19-3ubuntu2.4","2.2.19-3ubuntu2.5","2.2.19-3ubuntu2.5+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"dirmngr","binary_version":"2.2.19-3ubuntu2.5+esm1"},{"binary_name":"gnupg","binary_version":"2.2.19-3ubuntu2.5+esm1"},{"binary_name":"gnupg-agent","binary_version":"2.2.19-3ubuntu2.5+esm1"},{"binary_name":"gnupg-l10n","binary_version":"2.2.19-3ubuntu2.5+esm1"},{"binary_name":"gnupg-utils","binary_version":"2.2.19-3ubuntu2.5+esm1"},{"binary_name":"gnupg2","binary_version":"2.2.19-3ubuntu2.5+esm1"},{"binary_name":"gpg","binary_version":"2.2.19-3ubuntu2.5+esm1"},{"binary_name":"gpg-agent","binary_version":"2.2.19-3ubuntu2.5+esm1"},{"binary_name":"gpg-wks-client","binary_version":"2.2.19-3ubuntu2.5+esm1"},{"binary_name":"gpg-wks-server","binary_version":"2.2.19-3ubuntu2.5+esm1"},{"binary_name":"gpgconf","binary_version":"2.2.19-3ubuntu2.5+esm1"},{"binary_name":"gpgsm","binary_version":"2.2.19-3ubuntu2.5+esm1"},{"binary_name":"gpgv","binary_version":"2.2.19-3ubuntu2.5+esm1"},{"binary_name":"gpgv-static","binary_version":"2.2.19-3ubuntu2.5+esm1"},{"binary_name":"gpgv-win32","binary_version":"2.2.19-3ubuntu2.5+esm1"},{"binary_name":"gpgv2","binary_version":"2.2.19-3ubuntu2.5+esm1"},{"binary_name":"scdaemon","binary_version":"2.2.19-3ubuntu2.5+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-68972.json"}},{"package":{"name":"gnupg2","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/gnup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