{"action":"Upgrade fonttools to 4.43.0 or later.","affected":[{"fixed":"4.43.0","introduced":"4.28.2"}],"component":"fonttools","cve_ids":["CVE-2023-45139"],"ecosystem":"PyPI","epss":0.01228,"exploited":false,"fixed_versions":["4.43.0"],"ghsa_id":"GHSA-6673-4983-2vx5","id":"tcs_01M5KGS9W8RBXWB3315RN9T7VK","modified_at":"2026-07-07T17:47:21.814862636Z","published_at":"2026-07-07T11:45:29.872888Z","references":["https://osv.dev/vulnerability/PYSEC-2026-1388","https://github.com/fonttools/fonttools/security/advisories/GHSA-6673-4983-2vx5","https://nvd.nist.gov/vuln/detail/CVE-2023-45139","https://github.com/fonttools/fonttools/commit/9f61271dc1ca82ed91f529b130fe5dc5c9bf1f4c","https://github.com/fonttools/fonttools","https://github.com/fonttools/fonttools/releases/tag/4.43.0","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VY63B4SGY4QOQGUXMECRGD6K3YT3GJ75","http://www.openwall.com/lists/oss-security/2024/03/08/2","http://www.openwall.com/lists/oss-security/2024/03/09/1","https://pypi.org/project/fonttools","https://github.com/advisories/GHSA-6673-4983-2vx5"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"PYSEC-2026-1388","url":"https://osv.dev/vulnerability/PYSEC-2026-1388"}],"summary":"fonttools XML External Entity Injection (XXE) Vulnerability"}