{"id":"UBUNTU-CVE-2026-7233","details":"A vulnerability was determined in Artifex MuPDF up to 1.28.0. The impacted element is the function fz_subset_cff_for_gids of the file subset-cff.c of the component CFF Index Handler. This manipulation causes out-of-bounds read. The attack can only be executed locally. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through a bug report but has not responded yet.","modified":"2026-05-26T19:29:36.241850778Z","published":"2026-04-28T07:16:00Z","upstream":["CVE-2026-7233"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-7233"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-7233"},{"type":"REPORT","url":"https://bugs.ghostscript.com/show_bug.cgi?id=709328"}],"affected":[{"package":{"name":"mupdf","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/mupdf?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.7-1","1.7a-1","1.7a-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"mupdf","binary_version":"1.7a-1ubuntu0.1~esm1"},{"binary_version":"1.7a-1ubuntu0.1~esm1","binary_name":"mupdf-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-7233.json"}},{"package":{"name":"mupdf","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/mupdf?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.11+ds1-1.1","1.11+ds1-2","1.12.0+ds1-1","1.12.0+ds1-1ubuntu0.1~esm1","1.12.0+ds1-1ubuntu0.1~esm2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.12.0+ds1-1ubuntu0.1~esm2","binary_name":"mupdf"},{"binary_version":"1.12.0+ds1-1ubuntu0.1~esm2","binary_name":"mupdf-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-7233.json"}},{"package":{"name":"mupdf","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/mupdf?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.15.0+ds1-1","1.16.1+ds1-1ubuntu1","1.16.1+ds1-1ubuntu1+esm1","1.16.1+ds1-1ubuntu1+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"mupdf","binary_version":"1.16.1+ds1-1ubuntu1+esm2"},{"binary_name":"mupdf-tools","binary_version":"1.16.1+ds1-1ubuntu1+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-7233.json"}},{"package":{"name":"mupdf","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/mupdf?arch=source&distro=esm-apps%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.17.0+ds1-2","1.19.0+ds1-1","1.19.0+ds1-1build1","1.19.0+ds1-2","1.19.0+ds1-2ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"mupdf","binary_version":"1.19.0+ds1-2ubuntu0.1~esm1"},{"binary_version":"1.19.0+ds1-2ubuntu0.1~esm1","binary_name":"mupdf-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-7233.json"}},{"package":{"name":"mupdf","ecosystem":"Ubuntu:Pro:24.04:LTS","purl":"pkg:deb/ubuntu/mupdf?arch=source&distro=esm-apps%2Fnoble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.22.2+ds1-2","1.22.2+ds1-2build1","1.23.6+ds1-1","1.23.7+ds1-1","1.23.10+ds1-1","1.23.10+ds1-1build1","1.23.10+ds1-1build2","1.23.10+ds1-1build3","1.23.10+ds1-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"mupdf","binary_version":"1.23.10+ds1-1ubuntu0.1~esm1"},{"binary_name":"mupdf-tools","binary_version":"1.23.10+ds1-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-7233.json"}},{"package":{"name":"mupdf","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/mupdf?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.25.1+ds1-5build2","1.25.1+ds1-6","1.25.1+ds1-7"],"ecosystem_specific":{"binaries":[{"binary_name":"libmupdf25.1","binary_version":"1.25.1+ds1-7"},{"binary_name":"mupdf","binary_version":"1.25.1+ds1-7"},{"binary_name":"mupdf-tools","binary_version":"1.25.1+ds1-7"},{"binary_name":"python3-mupdf","binary_version":"1.25.1+ds1-7"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-7233.json"}},{"package":{"name":"mupdf","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/mupdf?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.25.1+ds1-7","1.25.1+ds1-7build1","1.25.1+ds1-7build2","1.27.0+ds1-2ubuntu1","1.27.0+ds1-3ubuntu1","1.27.0+ds1-3ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_name":"libmupdf27.0","binary_version":"1.27.0+ds1-3ubuntu2"},{"binary_name":"mupdf","binary_version":"1.27.0+ds1-3ubuntu2"},{"binary_version":"1.27.0+ds1-3ubuntu2","binary_name":"mupdf-tools"},{"binary_version":"1.27.0+ds1-3ubuntu2","binary_name":"python3-mupdf"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-7233.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P"},{"type":"Ubuntu","score":"medium"}]}