{"id":"UBUNTU-CVE-2026-41989","details":"Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcry_pk_decrypt.","modified":"2026-08-31T17:16:14.824575994Z","published":"2026-04-23T05:16:00Z","related":["USN-8319-1"],"upstream":["CVE-2026-41989"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-41989"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-41989"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2026/04/21/1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8319-1"}],"affected":[{"package":{"name":"libgcrypt20","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libgcrypt20?arch=source&distro=esm-infra%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.3-2ubuntu1","1.6.4-3","1.6.4-4","1.6.4-5","1.6.5-2","1.6.5-2ubuntu0.2","1.6.5-2ubuntu0.3","1.6.5-2ubuntu0.4","1.6.5-2ubuntu0.5","1.6.5-2ubuntu0.6","1.6.5-2ubuntu0.6+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"libgcrypt20","binary_version":"1.6.5-2ubuntu0.6+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41989.json"}},{"package":{"name":"libgcrypt20","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libgcrypt20?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.7.8-2ubuntu1","1.7.9-1","1.8.1-4","1.8.1-4ubuntu1","1.8.1-4ubuntu1.1","1.8.1-4ubuntu1.2","1.8.1-4ubuntu1.3"],"ecosystem_specific":{"binaries":[{"binary_name":"libgcrypt20","binary_version":"1.8.1-4ubuntu1.3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41989.json"}},{"package":{"name":"libgcrypt20","ecosystem":"Ubuntu:Pro:FIPS-updates:18.04:LTS","purl":"pkg:deb/ubuntu/libgcrypt20?arch=source&distro=fips-updates%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.8.1-4ubuntu1.fips.2.4","1.8.1-4ubuntu1.fips.2.5","1.8.1-4ubuntu1.fips.3"],"ecosystem_specific":{"binaries":[{"binary_name":"libgcrypt20","binary_version":"1.8.1-4ubuntu1.fips.3"},{"binary_version":"1.8.1-4ubuntu1.fips.3","binary_name":"libgcrypt20-hmac"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41989.json"}},{"package":{"name":"libgcrypt20","ecosystem":"Ubuntu:Pro:FIPS:18.04:LTS","purl":"pkg:deb/ubuntu/libgcrypt20?arch=source&distro=fips%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.8.1-4ubuntu1.fips.2.4","1.8.1-4ubuntu1.fips.2.5"],"ecosystem_specific":{"binaries":[{"binary_version":"1.8.1-4ubuntu1.fips.2.5","binary_name":"libgcrypt20"},{"binary_name":"libgcrypt20-hmac","binary_version":"1.8.1-4ubuntu1.fips.2.5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41989.json"}},{"package":{"name":"libgcrypt20","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libgcrypt20?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.8.4-5ubuntu2","1.8.5-3ubuntu1","1.8.5-5ubuntu1","1.8.5-5ubuntu1.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libgcrypt20","binary_version":"1.8.5-5ubuntu1.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41989.json"}},{"package":{"name":"libgcrypt20","ecosystem":"Ubuntu:Pro:FIPS-updates:20.04:LTS","purl":"pkg:deb/ubuntu/libgcrypt20?arch=source&distro=fips-updates%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.8.5-5ubuntu1.fips.1.1","1.8.5-5ubuntu1.fips.1.4","1.8.5-5ubuntu1.fips.1.5","1.8.5-5ubuntu1.fips.1.7"],"ecosystem_specific":{"binaries":[{"binary_version":"1.8.5-5ubuntu1.fips.1.7","binary_name":"libgcrypt20"},{"binary_version":"1.8.5-5ubuntu1.fips.1.7","binary_name":"libgcrypt20-hmac"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41989.json"}},{"package":{"name":"libgcrypt20","ecosystem":"Ubuntu:Pro:FIPS:20.04:LTS","purl":"pkg:deb/ubuntu/libgcrypt20?arch=source&distro=fips%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.8.5-5ubuntu1.fips.1.1","1.8.5-5ubuntu1.fips.1.4"],"ecosystem_specific":{"binaries":[{"binary_name":"libgcrypt20","binary_version":"1.8.5-5ubuntu1.fips.1.4"},{"binary_name":"libgcrypt20-hmac","binary_version":"1.8.5-5ubuntu1.fips.1.4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41989.json"}},{"package":{"name":"libgcrypt20","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libgcrypt20?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.4-3ubuntu3.2"}]}],"versions":["1.8.7-5ubuntu2","1.9.4-3ubuntu2","1.9.4-3ubuntu3"],"ecosystem_specific":{"binaries":[{"binary_name":"libgcrypt20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subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41989.json"}},{"package":{"name":"libgcrypt20","ecosystem":"Ubuntu:Pro:FIPS-preview:22.04:LTS","purl":"pkg:deb/ubuntu/libgcrypt20?arch=source&distro=fips-preview%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.9.4-3ubuntu3+Fips1.1","1.9.4-3ubuntu3+Fips1.2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.9.4-3ubuntu3+Fips1.2","binary_name":"libgcrypt20"},{"binary_name":"libgcrypt20-hmac","binary_version":"1.9.4-3ubuntu3+Fips1.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41989.json"}},{"package":{"name":"libgcrypt20","ecosystem":"Ubuntu:Pro:FIPS-updates:22.04:LTS","purl":"pkg:deb/ubuntu/libgcrypt20?arch=source&distro=fips-updates%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.4-3ubuntu3.2+Fips1"}]}],"versions":["1.9.4-3ubuntu3+Fips1.1","1.9.4-3ubuntu3+Fips1.2","1.9.4-3ubuntu3+Fips1.3","1.9.4-3ubuntu3+Fips1.4"],"ecosystem_specific":{"binaries":[{"binary_name":"libgcrypt20","binary_version":"1.9.4-3ubuntu3.2+Fips1"},{"binary_name":"libgcrypt20-hmac","binary_version":"1.9.4-3ubuntu3.2+Fips1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41989.json"}},{"package":{"name":"libgcrypt20","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libgcrypt20?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10.3-2ubuntu0.1"}]}],"versions":["1.10.2-3ubuntu1","1.10.3-2","1.10.3-2build1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libgcrypt20","binary_version":"1.10.3-2ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41989.json"}},{"package":{"name":"libgcrypt20","ecosystem":"Ubuntu:Pro:FIPS-updates:24.04:LTS","purl":"pkg:deb/ubuntu/libgcrypt20?arch=source&distro=fips-updates%2Fnoble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12.0-2ubuntu0.1~Fips1~rc11"}]}],"versions":["1.10.3-2ubuntu0.1~Fips1~rc6","1.10.3-2ubuntu0.1~Fips1~rc7"],"ecosystem_specific":{"binaries":[{"binary_version":"1.12.0-2ubuntu0.1~Fips1~rc11","binary_name":"libgcrypt-bin"},{"binary_version":"1.12.0-2ubuntu0.1~Fips1~rc11","binary_name":"libgcrypt20"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41989.json"}},{"package":{"name":"libgcrypt20","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/libgcrypt20?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.11.0-7ubuntu0.1"}]}],"versions":["1.11.0-6ubuntu1","1.11.0-7","1.11.0-7build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libgcrypt-bin","binary_version":"1.11.0-7ubuntu0.1"},{"binary_name":"libgcrypt20","binary_version":"1.11.0-7ubuntu0.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41989.json"}},{"package":{"name":"libgcrypt20","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/libgcrypt20?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12.0-2ubuntu0.1"}]}],"versions":["1.11.0-7build1","1.11.2-2","1.11.2-3","1.12.0-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libgcrypt-bin","binary_version":"1.12.0-2ubuntu0.1"},{"binary_name":"libgcrypt20","binary_version":"1.12.0-2ubuntu0.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41989.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}