{"id":"CVE-2026-110605","aliases":[],"cve":{"records":[{"id":"CVE-2026-110605","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-14T13:07:21.881Z","published":"2026-10-14T14:16:45.714Z","modified":"2026-10-26T16:17:20.314Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-10-14T14:16:45.714Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-26T16:17:20.314Z"}],"references":[{"url":"https://github.com/tomolt/libschrift/issues/46","tags":["issue-tracking"],"source":"VulnCheck"},{"url":"https://hackmd.io/@haind-pwn/libschrift-unitsperem-zero-oob","tags":["third-party-advisory"],"source":"VulnCheck"},{"url":"https://github.com/tomolt/libschrift/blob/v0.10.2/schrift.c#L542","tags":["technical-description"],"source":"VulnCheck"},{"url":"https://github.com/tomolt/libschrift/blob/v0.10.2/schrift.c#L1422-L1503","tags":["technical-description"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/libschrift-through-0.10.2-divide-by-zero-via-unitsperem-in-draw-line","tags":["third-party-advisory"],"source":"VulnCheck"},{"url":"https://github.com/tomolt/libschrift/issues/46","tags":["exploit"],"source":"CISA-ADP"},{"url":"https://hackmd.io/@haind-pwn/libschrift-unitsperem-zero-oob","tags":["exploit"],"source":"CISA-ADP"}],"weaknesses":[{"id":"CWE-369","description":"Divide By Zero","source":"VulnCheck"}],"applicability":[],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-26T16:16:43.462589Z","decisions":[{"name":"Exploitation","value":"poc"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"partial"}]}]},"title":"libschrift through 0.10.2 Divide by Zero via unitsPerEm in draw_line","titleSource":"VulnCheck","descriptionSource":"VulnCheck","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process.","score":6.8,"severity":"medium","published":"2026-10-14T14:16:45.714Z","modified":"2026-10-26T16:17:20.314Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"tomolt","name":"libschrift","platforms":[],"versions":[{"version":"0","status":"affected","lessThanOrEqual":"0.10.2","versionType":"semver"}],"defaultStatus":"unaffected","cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-110605"}],"remediation":[],"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"],"sources":[{"name":"CVE","id":"CVE-2026-110605","modified":"2026-10-26T16:17:20.314Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-110605"}],"assessments":[{"source":"VulnCheck","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},{"source":"VulnCheck","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":5.5}],"sourceAffected":[],"observedAt":"2026-10-29T14:29:35.549Z","kev":{"status":"not-listed","checkedAt":"2026-11-14T22:15:32.260Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[],"aiSummary":{"text":"libschrift through 0.10.2 has a divide by zero vulnerability, allowing attackers to crash applications with a crafted TrueType font. The font's unitsPerEm of 0 in the head table causes the issue. Attackers can provide a malicious font to exploit this weakness.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:42:02.658Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-110605"}]}}