CVE-2026-5314

MEDIUM

Nothings stb TTF File stb_truetype.h stbtt_InitFont_internal out-of-bounds

Title source: cna
STIX 2.1

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.

References (4)

Core 4
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-354646 | Nothings stb TTF File stb_truetype.h stbtt_InitFont_internal out-of-bounds
https://vuldb.com/vuln/354646
Signature, Permissions Required signature permissions-required
VDB-354646 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/354646/cti
Third Party Advisory third-party-advisory
Submit #780558 | nothings stb (stb_truetype.h) ≤ 1.26 Out-of-Bounds Read
https://vuldb.com/submit/780558

Scores

CVSS v3 4.3
EPSS 0.0066
EPSS Percentile 46.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-119 CWE-125
Status published
Products (28)
Nothings/stb 1.0
Nothings/stb 1.1
Nothings/stb 1.10
Nothings/stb 1.11
Nothings/stb 1.12
Nothings/stb 1.13
Nothings/stb 1.14
Nothings/stb 1.15
Nothings/stb 1.16
Nothings/stb 1.17
... and 18 more
Published Apr 01, 2026
Tracked Since Apr 02, 2026