{"id":"CVE-2026-110605","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-110605","generatedAt":"2026-10-28T01:01:32.214Z","title":"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.","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.","published":"2026-10-14T15:17:12.000Z","lastModified":"2026-10-26T17:17:15.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":6.8,"severity":"MEDIUM","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-369"],"affected":[],"epss":{"score":0.00201,"percentile":0.0985,"date":"2026-10-26","history":[{"date":"2026-10-15","score":0.00201,"percentile":0.09283}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.20%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-14T15:17:12.000Z","detail":{"score":"6.8","severity":"MEDIUM","publishedAt":"2026-10-14T15:17:12.160Z"},"summary":"New CVE, medium severity (CVSS 6.8)."}],"references":[{"url":"https://github.com/tomolt/libschrift/blob/v0.10.2/schrift.c#L1422-L1503","source":"disclosure@vulncheck.com"},{"url":"https://github.com/tomolt/libschrift/blob/v0.10.2/schrift.c#L542","source":"disclosure@vulncheck.com"},{"url":"https://github.com/tomolt/libschrift/issues/46","source":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@haind-pwn/libschrift-unitsperem-zero-oob","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/libschrift-through-0.10.2-divide-by-zero-via-unitsperem-in-draw-line","source":"disclosure@vulncheck.com"},{"url":"https://github.com/tomolt/libschrift/issues/46","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://hackmd.io/@haind-pwn/libschrift-unitsperem-zero-oob","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-110605","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}