CVE-2025-15534: A vulnerability was identified in raysan5 raylib up to 909f040

Q: How do I fix CVE-2025-15534?

raylib: upgrade to 2026-01-01. Exact commands for each OS are on this page.

Q: Is CVE-2025-15534 being exploited?

CVE-2025-15534 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-15534 affect?

CVE-2025-15534 affects raylib. Severity is medium (CVSS 5.3). 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 environme

Q: How urgent is CVE-2025-15534?

Priority 27/100. Public exploit reference

Routine

MEDIUM 5.3UPGRADE

CVE-2025-15534 is a medium-severity flaw (CVSS 5.3) affecting raylib. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 85%)
CISA exploited list	No
Weakness	CWE-189, CWE-190
Published	2026-01-18
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: raylib

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-01-18 07:16 UTCPublished CVE record published
2026-06-17 08:37 UTCUpdated Record last modified

raylib raylib UPGRADE

Affected: < 2026-01-01

Fixed in: 2026-01-01

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy raylib || rpm -q raylib || raylib --version

2. UPGRADE to 2026-01-01 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade raylib

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade raylib

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-15534?

raylib: upgrade to 2026-01-01. Exact commands for each OS are on this page.

Is CVE-2025-15534 being exploited?

CVE-2025-15534 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-15534 affect?

CVE-2025-15534 affects raylib. Severity is medium (CVSS 5.3). 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 environme

How urgent is CVE-2025-15534?

Priority 27/100. Public exploit reference

Related CVEs

CVE-2025-15533 MEDIUM 5.3 UPGRADE A vulnerability was determined in raysan5 raylib up to 909f040

References

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