Medium 5.3Published Jan 18, 2026

CVE-2025-15534raysan5 raylib rtext.c LoadFontData integer overflow

Updated under an hour ago (Oct 27, 2026, 11:10 AM ET)

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It affects raysan5 raylib and 1 other product. Add what you run to find out whether that includes you.

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Every CVE for raysan5 raylib

Exploited in the last 30 days

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.

CVSS: 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
Weakness (CWE): CWE-190, CWE-189
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Modified
Record last updated: Feb 23, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

raysan5 raylib raysan5:raylib (from the name)	909f040	CNA record
raylib raylib raylib:raylib	before 2026-01-01	NVD

References

References

https://vuldb.com/?id.341706	vdb-entry, technical-description, third-party-advisory
https://vuldb.com/?ctiid.341706	signature, permissions-required, vdb-entry
https://vuldb.com/?submit.733343	third-party-advisory, vdb-entry
https://github.com/raysan5/raylib/issues/5436	issue-tracking, exploit, vendor-advisory
https://github.com/raysan5/raylib/pull/5450	issue-tracking
https://github.com/oneafter/1224/blob/main/segv1	exploit
https://github.com/raysan5/raylib/commit/5a3391fdce046bc5473e52afbd835dd2dc127146	patch
https://github.com/raysan5/raylib/	product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.