CVE-2026-5314HIGH 8.8EPSS p46.9%

CVE-2026-5314CVE-2026-5314

Description

A vulnerability was found in Nothings stb up to 1.26. Impacted is the function stbtt_InitFont_internal in the library stb_truetype.h of the component TTF File Handler. Performing a manipulation results in out-of-bounds read. Remote exploitation of the attack is possible. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS0.66% probability of exploitation · percentile 46.9% · 2026-06-19T12:03:05Z
Published2026-04-01
Last modified2026-04-30

Underlying weaknesses· 2

CWE-119CWE-125

References

  1. https://gist.github.com/d0razi/cb31a92f3205a4373f19b7da25946848
  2. https://vuldb.com/submit/780558
  3. https://vuldb.com/vuln/354646
  4. https://vuldb.com/vuln/354646/cti

2

TypeTargetConfidenceTier
WeaknessImproper Restriction of Operations within the Bounds of a Memory Buffercwe-1190%live
WeaknessOut-of-bounds Readcwe-1250%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.