{"id":"UBUNTU-CVE-2020-8945","details":"The proglottis Go wrapper before 0.1.1 for the GPGME library has a use-after-free, as demonstrated by use for container image pulls by Docker or CRI-O. This leads to a crash or potential code execution during GPG signature verification.","modified":"2026-05-20T16:04:39.650986822Z","published":"2020-02-12T18:15:00Z","upstream":["CVE-2020-8945"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-8945"},{"type":"REPORT","url":"https://github.com/proglottis/gpgme/pull/23"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1795838"},{"type":"REPORT","url":"https://github.com/containers/image/commit/4c7a23f82ef09127b0ff28366d1cf31316dd6cc1"},{"type":"REPORT","url":"https://github.com/proglottis/gpgme/compare/v0.1.0...v0.1.1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-8945"}],"affected":[{"package":{"name":"singularity-container","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/singularity-container?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.3.1-2","2.3.2-1","2.4.1-1","2.4.2-2","2.4.2-3","2.4.2-4","2.4.2-4ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"singularity-container","binary_version":"2.4.2-4ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8945.json"}},{"package":{"name":"golang-github-proglottis-gpgme","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/golang-github-proglottis-gpgme?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0~git20181127.3b0be09-2","0.0~git20190226.8e0937a-1","0.1.0-1"],"ecosystem_specific":{"binaries":[{"binary_name":"golang-github-proglottis-gpgme-dev","binary_version":"0.1.0-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8945.json"}},{"package":{"name":"singularity-container","ecosystem":"Ubuntu:Pro:24.04:LTS","purl":"pkg:deb/ubuntu/singularity-container?arch=source&distro=esm-apps%2Fnoble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.1.1+ds2-1","4.1.1+ds2-1build1","4.1.1+ds2-1ubuntu0.1","4.1.1+ds2-1ubuntu0.2","4.1.1+ds2-1ubuntu0.2+esm1","4.1.1+ds2-1ubuntu0.3","4.1.1+ds2-1ubuntu0.3+esm1","4.1.1+ds2-1ubuntu0.3+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"golang-github-sylabs-singularity-dev","binary_version":"4.1.1+ds2-1ubuntu0.3+esm2"},{"binary_name":"singularity-container","binary_version":"4.1.1+ds2-1ubuntu0.3+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8945.json"}},{"package":{"name":"singularity-container","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/singularity-container?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.1.5+ds4-1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.1.5+ds4-1","binary_name":"golang-github-sylabs-singularity-dev"},{"binary_name":"singularity-container","binary_version":"4.1.5+ds4-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8945.json"}},{"package":{"name":"singularity-container","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/singularity-container?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.1.5+ds4-1"],"ecosystem_specific":{"binaries":[{"binary_name":"golang-github-sylabs-singularity-dev","binary_version":"4.1.5+ds4-1"},{"binary_name":"singularity-container","binary_version":"4.1.5+ds4-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8945.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}