CVE Catalog

CVE-2026-5314

MediumCVSS 4.3
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Elevated risk
0.66%

52th percentile - higher than 52% of all known CVEs

Summary

A vulnerability in the stb library (stb_truetype.h) up to version 1.26 causes an out-of-bounds read in stbtt_InitFont_internal when processing TTF files. The flaw can be exploited remotely and a public exploit exists.

Risk Assessment

This may lead to data leakage or application crashes when handling malicious TTF files, posing confidentiality and availability risks.

Recommendation

Update the stb library to a patched version or avoid processing untrusted TTF files until updated.

Other vulnerabilities in stb

See all
Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS