CVE-2026-5314CWE-119CWE-125

Nothings stb TTF File stb_truetype.h stbtt_InitFont_internal out-of-bounds

Medium · published April 1, 2026

CVSS v4.0
5.3
EPSS
1%
Percentile
57.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00847 · 57.7th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-125 · Out-of-bounds Read
Published
2026-04-01T22:15Z
EPSS history
Timeline
  • 01 APR 22:15Z
    Nothings stb TTF File stb_truetype.h stbtt_InitFont_internal out-of-bounds
    cvelistv5