{"id":"CVE-2026-110605","revision":"ea264a045cf8448ab62e600186581403","records":[{"revision":"ea264a045cf8448ab62e600186581403","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-110605","aliases":[],"title":"libschrift through 0.10.2 Divide by Zero via unitsPerEm in draw_line","description":"libschrift through 0.10.2 contains a divide by zero vulnerability that allows attackers to crash applications by supplying a font with unitsPerEm of 0 in the head table. Attackers can provide a crafted TrueType font whose NaN glyph coordinates bypass clip_points(), causing an out-of-bounds raster read in draw_line() during sft_render() and crashing the process.","state":0,"publishedAt":"2026-10-14T14:16:45.714+00:00","modifiedAt":"2026-10-14T14:16:45.714+00:00","affected":[{"ecosystem":"https://github.com/tomolt/libschrift","name":"libschrift","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"tomolt\",\n                    \"product\": \"libschrift\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"0.10.2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"collectionURL\": \"https://github.com/tomolt/libschrift\",\n                    \"repo\": \"https://github.com/tomolt/libschrift\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":6.8,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":5.5,"severity":"MEDIUM"}],"references":["https://github.com/tomolt/libschrift/issues/46","https://hackmd.io/@haind-pwn/libschrift-unitsperem-zero-oob","https://github.com/tomolt/libschrift/blob/v0.10.2/schrift.c#L542","https://github.com/tomolt/libschrift/blob/v0.10.2/schrift.c#L1422-L1503","https://www.vulncheck.com/advisories/libschrift-through-0.10.2-divide-by-zero-via-unitsperem-in-draw-line"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-110605","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-110605","identifiers":["CVE-2026-110605"]},"retained":false,"historicalAffected":[]}],"coverage":[]}