{"id":"UBUNTU-CVE-2026-79515","details":"An out-of-bounds read in the stbtt_GetGlyphShape component of nothings stb commit 31c1ad3 allows attackers to cause a Denial of Service (DoS) via sending a crafted TTF file.","modified":"2026-09-16T11:41:47Z","published":"2026-09-09T21:17:00Z","upstream":["CVE-2026-79515"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-79515"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-79515"},{"type":"REPORT","url":"https://github.com/nothings/stb/issues/1962"}],"affected":[{"package":{"name":"libstb","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libstb?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0~git20190817.1.052dce1-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libstb0","binary_version":"0.0~git20190817.1.052dce1-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-79515.json"}},{"package":{"name":"libstb","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libstb?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0~git20200713.b42009b+ds-1","0.0~git20210910.af1a5bc+ds-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libstb0","binary_version":"0.0~git20210910.af1a5bc+ds-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-79515.json"}},{"package":{"name":"libstb","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libstb?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0~git20230129.5736b15+ds-1","0.0~git20230129.5736b15+ds-1.1","0.0~git20230129.5736b15+ds-1.2"],"ecosystem_specific":{"binaries":[{"binary_version":"0.0~git20230129.5736b15+ds-1.2","binary_name":"libstb0t64"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-79515.json"}},{"package":{"name":"libstb","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/libstb?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0~git20241109.5c20573+ds-1","0.0~git20250907.fede005+ds-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libstb0t64","binary_version":"0.0~git20250907.fede005+ds-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-79515.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L"},{"type":"Ubuntu","score":"medium"}]}