CVE-2026-5315 — Improper Restriction of Operations within the Bounds of a Memory Buffer in STB
Severity
5.3MEDIUMNVD
EPSS
0.0%
top 89.45%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedApr 2
Description
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.
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
Affected Packages1 packages
🔴Vulnerability Details
3📋Vendor Advisories
2🕵️Threat Intelligence
1💬Community
1Bugzilla▶
CVE-2026-5315 stb: Nothings stb: Denial of Service via out-of-bounds read in TTF file handling [epel-all]↗2026-04-02