{"schema_version":1,"title":"X.org libXfont2 vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 5 vulnerabilities in X.org libXfont2: 0 in the last 7 days and 5 in the last 90 days, 2 of them critical and 0 exploited in the wild. The most recent, CVE-2026-59679, was published on 10 September 2026.","url":"https://junglewise.ai/threats/technologies/libxfont2","json_url":"https://junglewise.ai/threats/technologies/libxfont2.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/libxfont2","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":3,"all_time":5,"critical":2,"exploited":0,"last_7_days":0,"last_30_days":2,"last_90_days":5,"last_365_days":5},"latest":[{"cve":"CVE-2026-59679","cvss":9,"epss":0.004,"slug":"cve-2026-59679-libxfont2-out-of-bounds-heap-access-in-fs-read-glyphs","title":"libXfont2 out-of-bounds heap access in fs_read_glyphs()","severity":"critical","exploited":false,"published_at":"2026-09-10T09:17:02.883+00:00","url":"https://junglewise.ai/threats/cve-2026-59679-libxfont2-out-of-bounds-heap-access-in-fs-read-glyphs"},{"cve":"CVE-2026-44950","cvss":9,"epss":0.0044,"slug":"cve-2026-44950-x-org-libxfont2-heap-buffer-overflow-in-fs-read-glyphs","title":"X.Org libXfont2 heap buffer overflow in fs_read_glyphs","severity":"critical","exploited":false,"published_at":"2026-09-10T09:17:02.49+00:00","url":"https://junglewise.ai/threats/cve-2026-44950-x-org-libxfont2-heap-buffer-overflow-in-fs-read-glyphs"},{"cve":"CVE-2026-56003","cvss":8.5,"slug":"cve-2026-56003-x-org-libxfont2-heap-buffer-overflow-in-computescaledproperties","title":"X.Org libXfont2 heap buffer overflow in ComputeScaledProperties","severity":"high","exploited":false,"published_at":"2026-07-08T10:16:23.577+00:00","url":"https://junglewise.ai/threats/cve-2026-56003-x-org-libxfont2-heap-buffer-overflow-in-computescaledproperties"},{"cve":"CVE-2026-56002","cvss":8.5,"slug":"cve-2026-56002-x-org-libxfont2-heap-buffer-overflow-in-pcfreadfont","title":"X.Org libXfont2 heap buffer overflow in pcfReadFont","severity":"high","exploited":false,"published_at":"2026-07-08T10:16:23.327+00:00","url":"https://junglewise.ai/threats/cve-2026-56002-x-org-libxfont2-heap-buffer-overflow-in-pcfreadfont"},{"cve":"CVE-2026-56001","cvss":8.5,"slug":"cve-2026-56001-x-org-libxfont2-heap-buffer-overflow-in-bitmapscalebitmaps","title":"X.Org libXfont2 heap buffer overflow in BitmapScaleBitmaps","severity":"high","exploited":false,"published_at":"2026-07-08T09:16:30.05+00:00","url":"https://junglewise.ai/threats/cve-2026-56001-x-org-libxfont2-heap-buffer-overflow-in-bitmapscalebitmaps"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":3},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":2,"exploited":0,"vulnerabilities":2},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"X.org Xorg-Server","slug":"xorg-server","vulnerabilities":5,"url":"https://junglewise.ai/threats/technologies/xorg-server"}],"technology":{"hub":true,"name":"X.org libXfont2","slug":"libxfont2","vendor":{"name":"X.org","slug":"x-org","url":"https://junglewise.ai/threats/vendors/x-org"},"aliases":[],"category":"library","homepage":"https://www.x.org/","repo_url":"https://gitlab.freedesktop.org/xorg/lib/libxfont","description":"The X.Org libXfont2 library provides the core font handling services for the X Window System.","url":"https://junglewise.ai/threats/technologies/libxfont2"},"most_severe":[{"cve":"CVE-2026-44950","cvss":9,"epss":0.0044,"slug":"cve-2026-44950-x-org-libxfont2-heap-buffer-overflow-in-fs-read-glyphs","title":"X.Org libXfont2 heap buffer overflow in fs_read_glyphs","severity":"critical","exploited":false,"published_at":"2026-09-10T09:17:02.49+00:00","url":"https://junglewise.ai/threats/cve-2026-44950-x-org-libxfont2-heap-buffer-overflow-in-fs-read-glyphs"},{"cve":"CVE-2026-59679","cvss":9,"epss":0.004,"slug":"cve-2026-59679-libxfont2-out-of-bounds-heap-access-in-fs-read-glyphs","title":"libXfont2 out-of-bounds heap access in fs_read_glyphs()","severity":"critical","exploited":false,"published_at":"2026-09-10T09:17:02.883+00:00","url":"https://junglewise.ai/threats/cve-2026-59679-libxfont2-out-of-bounds-heap-access-in-fs-read-glyphs"},{"cve":"CVE-2026-56003","cvss":8.5,"slug":"cve-2026-56003-x-org-libxfont2-heap-buffer-overflow-in-computescaledproperties","title":"X.Org libXfont2 heap buffer overflow in ComputeScaledProperties","severity":"high","exploited":false,"published_at":"2026-07-08T10:16:23.577+00:00","url":"https://junglewise.ai/threats/cve-2026-56003-x-org-libxfont2-heap-buffer-overflow-in-computescaledproperties"},{"cve":"CVE-2026-56002","cvss":8.5,"slug":"cve-2026-56002-x-org-libxfont2-heap-buffer-overflow-in-pcfreadfont","title":"X.Org libXfont2 heap buffer overflow in pcfReadFont","severity":"high","exploited":false,"published_at":"2026-07-08T10:16:23.327+00:00","url":"https://junglewise.ai/threats/cve-2026-56002-x-org-libxfont2-heap-buffer-overflow-in-pcfreadfont"},{"cve":"CVE-2026-56001","cvss":8.5,"slug":"cve-2026-56001-x-org-libxfont2-heap-buffer-overflow-in-bitmapscalebitmaps","title":"X.Org libXfont2 heap buffer overflow in BitmapScaleBitmaps","severity":"high","exploited":false,"published_at":"2026-07-08T09:16:30.05+00:00","url":"https://junglewise.ai/threats/cve-2026-56001-x-org-libxfont2-heap-buffer-overflow-in-bitmapscalebitmaps"}],"generated_at":"2026-09-26T09:11:00.170868+00:00"}