CVE-2026-5315: A vulnerability was determined in Nothings stb up to 1.26. The affected element is the function stbtt__buf_get8 in the library stb_truetype.
CVE-2026-5315 · Severity: medium · CVSS 4.3 · Published 2026-04-02
A vulnerability was determined in Nothings stb up to 1.26. The affected element is the function stbtt__buf_get8 in the library stb_truetype.h of the component TTF File Handler. Executing a manipulation can lead to out-of-bounds read. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
No. Junglewise Threat Intelligence has no report of CVE-2026-5315 being exploited in the wild.
How severe is CVE-2026-5315?
Medium severity, with a CVSS score of 4.3, published 2 April 2026.
Which products and versions are affected?
Nothings Stb Truetype.H. The advisory does not name versions.
Is there a fix for CVE-2026-5315?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2026-5315?
Check whether you run Nothings Stb Truetype.H. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.