CVE-2026-5314 MEDIUM

CVE-2026-5314: Nothings stb TTF File stb_truetype.h stbtt_InitFont_internal out-of-bounds

Vendor Nothings
Product stb
Weakness CWE-125
Published April 1, 2026
Last update April 2, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction
Confidentiality
Integrity

CVSS 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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 1, 2026 CVE published
April 2, 2026 Record updated