CVE-2025-15534

raysan5 raylib rtext.c LoadFontData integer overflow

HIGH
7.8
CVSS Score
Published: January 18, 2026 at 06:32 AM UTC
Updated: June 17, 2026 at 08:37 AM UTC
2 products affected across 2 vendorsRaylibRaylib

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

A vulnerability was identified in raysan5 raylib up to 909f040. Affected by this issue is the function LoadFontData of the file src/rtext.c. The manipulation leads to integer overflow. The attack can only be performed from a local environment. The exploit is publicly available and might be used. The identifier of the patch is 5a3391fdce046bc5473e52afbd835dd2dc127146. It is suggested to install a patch to address this issue.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (8)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.341706
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.341706
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.733343
Issue TrackingExploitVendor Advisory
Source: cverecord
https://github.com/raysan5/raylib/issues/5436
Issue Tracking
Source: cverecord
https://github.com/raysan5/raylib/pull/5450
Product
Source: cverecord
https://github.com/raysan5/raylib/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-190CWE-189

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