raysan5 raylib up to 909f040 src/rtext.c GenImageFontAtlas heap-based overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.0 | $0-$5k | 0.00 |
Summary
A vulnerability was found in raysan5 raylib up to 909f040. It has been rated as critical. Affected by this issue is the function GenImageFontAtlas of the file src/rtext.c. The manipulation leads to heap-based overflow.
This vulnerability is referenced as CVE-2025-15533. The attack can only be performed from a local environment. Furthermore, an exploit is available.
It is suggested to install a patch to address this issue.
Details
A vulnerability, which was classified as critical, has been found in raysan5 raylib up to 909f040. This issue affects the function GenImageFontAtlas of the file src/rtext.c. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability.
The advisory is shared at github.com. The identification of this vulnerability is CVE-2025-15533. The exploitation is known to be easy. An attack has to be approached locally. Technical details as well as a public exploit are known.
The exploit is available at github.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 315036 (openSUSE 16 Security Update : raylib (openSUSE-SU-2026:20717-1)), which helps to determine the existence of the flaw in a target environment.
Applying the patch 5a3391fdce046bc5473e52afbd835dd2dc127146 is able to eliminate this problem. The bugfix is ready for download at github.com.
The vulnerability is also documented in the databases at CNNVD (CNNVD-202601-2967), Tenable (315036) and EUVD (EUVD-2026-3187). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Vendor
Name
Version
License
Website
- Product: https://github.com/raysan5/raylib/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 6.1VulDB Meta Temp Score: 6.0
VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔒
CNA Base Score: 5.3
CNA Vector: 🔒
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Heap-based overflowCWE: CWE-122 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: No
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 315036
Nessus Name: openSUSE 16 Security Update : raylib (openSUSE-SU-2026:20717-1)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔒
Patch: 5a3391fdce046bc5473e52afbd835dd2dc127146
Timeline
01/17/2026 Advisory disclosed01/17/2026 VulDB entry created
05/16/2026 VulDB entry last update
Sources
Product: github.comAdvisory: 5433
Status: Confirmed
Confirmation: 🔒
CVE: CVE-2025-15533 (🔒)
GCVE (CVE): GCVE-0-2025-15533
GCVE (VulDB): GCVE-100-341705
EUVD: 🔒
CNNVD: CNNVD-202601-2967 - raylib 安全漏洞
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 01/17/2026 17:16Updated: 05/16/2026 13:01
Changes: 01/17/2026 17:16 (60), 01/18/2026 07:21 (30), 01/19/2026 01:48 (1), 01/19/2026 17:54 (6), 02/17/2026 20:09 (11), 05/16/2026 13:01 (2)
Complete: 🔍
Submitter: Oneafter
Cache ID: 216::103
Submit
Accepted
- Submit #733341: raysan5 raylib 909f040 Heap-based Buffer Overflow (by Oneafter)
Duplicate
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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