{"id":"UBUNTU-CVE-2026-88807","details":"A heap overflow in libXrender before 0.9.13 in RenderQueryPictFormats could be used by malicious X servers to inject code into attached X clients.","modified":"2026-09-22T22:58:26.805799845Z","published":"2026-09-22T00:00:00Z","upstream":["CVE-2026-88807"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-88807"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-88807"},{"type":"REPORT","url":"https://gitlab.freedesktop.org/xorg/lib/libxrender/-/merge_requests/19"}],"affected":[{"package":{"name":"libxrender","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/libxrender?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.9.8-1","1:0.9.8-1build0.14.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libxrender1","binary_version":"1:0.9.8-1build0.14.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-88807.json"}},{"package":{"name":"libxrender","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libxrender?arch=source&distro=esm-infra%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.9.9-0ubuntu1","1:0.9.9-0ubuntu1+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"libxrender1","binary_version":"1:0.9.9-0ubuntu1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-88807.json"}},{"package":{"name":"libxrender","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libxrender?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.9.10-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libxrender1","binary_version":"1:0.9.10-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-88807.json"}},{"package":{"name":"libxrender","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libxrender?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.9.10-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1:0.9.10-1","binary_name":"libxrender1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-88807.json"}},{"package":{"name":"libxrender","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libxrender?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.9.10-1build2","1:0.9.10-1build3","1:0.9.10-1build4"],"ecosystem_specific":{"binaries":[{"binary_name":"libxrender1","binary_version":"1:0.9.10-1build4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-88807.json"}},{"package":{"name":"libxrender","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libxrender?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.9.10-1.1","1:0.9.10-1.1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libxrender1","binary_version":"1:0.9.10-1.1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-88807.json"}},{"package":{"name":"libxrender","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/libxrender?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.9.12-1","1:0.9.12-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libxrender1","binary_version":"1:0.9.12-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-88807.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H"},{"type":"Ubuntu","score":"medium"}]}