CVE-2026-5314

Name: CVE-2026-5314
Creator: NVD / NIST
Published: 2026-04-01T23:17:03.81+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.1/10EPSS 0.66%

Last modified Jun 17, 2026

CVE-2026-5314 is a low-severity vulnerability rated 2.1/10 on the CVSS scale. 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. EPSS estimates a 0.66% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS 4.0

2.1/10

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.66%

47.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Nothings	Stb Truetype.H	<= 1.26

References

https://gist.github.com/d0razi/cb31a92f3205a4373f19b7da25946848Exploit, Third Party Advisory
https://vuldb.com/submit/780558Third Party Advisory, VDB Entry
https://vuldb.com/vuln/354646Third Party Advisory, VDB Entry
https://vuldb.com/vuln/354646/ctiPermissions Required, VDB Entry

Timeline

Published: Apr 1, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-5314?

How severe is CVE-2026-5314?

CVE-2026-5314 has a CVSS score of 2.1/10 (LOW severity). The EPSS model estimates a 0.66% probability of exploitation in the next 30 days.

How do I fix CVE-2026-5314?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-5314?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST