{"id":"UBUNTU-CVE-2026-6861","details":"A flaw was found in GNU Emacs. This vulnerability, a memory corruption issue, occurs when Emacs processes specially crafted SVG (Scalable Vector Graphics) CSS (Cascading Style Sheets) data. A local user could exploit this by convincing a victim to open a malicious SVG file, which may lead to a denial of service (DoS) or potentially information disclosure.","modified":"2026-05-28T06:45:07.986087875Z","published":"2026-04-22T14:17:00Z","upstream":["CVE-2026-6861"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-6861"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-6861"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2459992"},{"type":"REPORT","url":"https://debbugs.gnu.org/80851"}],"affected":[{"package":{"name":"xemacs21","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/xemacs21?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["21.4.22-4ubuntu3","21.4.22-14ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"xemacs21","binary_version":"21.4.22-14ubuntu1"},{"binary_name":"xemacs21-bin","binary_version":"21.4.22-14ubuntu1"},{"binary_version":"21.4.22-14ubuntu1","binary_name":"xemacs21-mule"},{"binary_name":"xemacs21-mule-canna-wnn","binary_version":"21.4.22-14ubuntu1"},{"binary_name":"xemacs21-nomule","binary_version":"21.4.22-14ubuntu1"},{"binary_name":"xemacs21-support","binary_version":"21.4.22-14ubuntu1"},{"binary_name":"xemacs21-supportel","binary_version":"21.4.22-14ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-6861.json"}},{"package":{"name":"xemacs21-packages","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/xemacs21-packages?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2009.02.17.dfsg.2-2"],"ecosystem_specific":{"binaries":[{"binary_name":"xemacs21-basesupport","binary_version":"2009.02.17.dfsg.2-2"},{"binary_name":"xemacs21-basesupport-el","binary_version":"2009.02.17.dfsg.2-2"},{"binary_name":"xemacs21-mulesupport","binary_version":"2009.02.17.dfsg.2-2"},{"binary_name":"xemacs21-mulesupport-el","binary_version":"2009.02.17.dfsg.2-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-6861.json"}},{"package":{"name":"emacs25","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/emacs25?arch=source&distro=esm-infra%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["25.2+1-6","25.2+1-6ubuntu0.1~esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"emacs25","binary_version":"25.2+1-6ubuntu0.1~esm2"},{"binary_name":"emacs25-bin-common","binary_version":"25.2+1-6ubuntu0.1~esm2"},{"binary_version":"25.2+1-6ubuntu0.1~esm2","binary_name":"emacs25-common"},{"binary_name":"emacs25-el","binary_version":"25.2+1-6ubuntu0.1~esm2"},{"binary_name":"emacs25-lucid","binary_version":"25.2+1-6ubuntu0.1~esm2"},{"binary_name":"emacs25-nox","binary_version":"25.2+1-6ubuntu0.1~esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-6861.json"}},{"package":{"name":"xemacs21","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/xemacs21?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["21.4.24-4ubuntu1","21.4.24-5ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"xemacs21","binary_version":"21.4.24-5ubuntu1"},{"binary_name":"xemacs21-bin","binary_version":"21.4.24-5ubuntu1"},{"binary_version":"21.4.24-5ubuntu1","binary_name":"xemacs21-mule"},{"binary_name":"xemacs21-mule-canna-wnn","binary_version":"21.4.24-5ubuntu1"},{"binary_version":"21.4.24-5ubuntu1","binary_name":"xemacs21-nomule"},{"binary_name":"xemacs21-support","binary_version":"21.4.24-5ubuntu1"},{"binary_version":"21.4.24-5ubuntu1","binary_name":"xemacs21-supportel"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-6861.json"}},{"package":{"name":"xemacs21-packages","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/xemacs21-packages?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2009.02.17.dfsg.2-4"],"ecosystem_specific":{"binaries":[{"binary_name":"xemacs21-basesupport","binary_version":"2009.02.17.dfsg.2-4"},{"binary_name":"xemacs21-basesupport-el","binary_version":"2009.02.17.dfsg.2-4"},{"binary_version":"2009.02.17.dfsg.2-4","binary_name":"xemacs21-mulesupport"},{"binary_name":"xemacs21-mulesupport-el","binary_version":"2009.02.17.dfsg.2-4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-6861.json"}},{"package":{"name":"emacs","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/emacs?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:26.3+1-1ubuntu1","1:26.3+1-1ubuntu2","1:26.3+1-1ubuntu2+esm1","1:26.3+1-1ubuntu2+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"emacs","binary_version":"1:26.3+1-1ubuntu2+esm2"},{"binary_name":"emacs-bin-common","binary_version":"1:26.3+1-1ubuntu2+esm2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