CVE-2026-110605
5.5 MEDIUMpublic exploit availablePublished 2026-10-14 · Updated 2026-10-16
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD 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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weaknesses
CWE-369
Public exploit & PoC references
All references
- https://github.com/tomolt/libschrift/blob/v0.10.2/schrift.c#L1422-L1503
- https://github.com/tomolt/libschrift/blob/v0.10.2/schrift.c#L542
- https://github.com/tomolt/libschrift/issues/46
- https://hackmd.io/@haind-pwn/libschrift-unitsperem-zero-oob
- https://www.vulncheck.com/advisories/libschrift-through-0.10.2-divide-by-zero-via-unitsperem-in-draw-line
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
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