Buffer overflow in Academysoftwarefoundation Materialx
CVE-2025-53009
MaterialX is an open standard for the exchange of rich material and look-development content across applications and renderers. In versions 1.39.2 and below, when parsing an MTLX file with multiple nested nodegraph implementations, the MaterialX XML parsing logic can potentially crash due to stack exhaustion. An attacker could intentionally crash a target program that uses OpenEXR by sending a malicious MTLX file. This is fixed in version 1.39.3.
Vulnerability class: Buffer Overflow
EPSS: 0.006 (45.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Academysoftwarefoundation Materialx — versions >= 1.39.2, < 1.39.3
- Linuxfoundation Materialx — versions 1.39.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (Patch, x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
- security-advisories@github.com (Exploit, x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-53009?
- CVE-2025-53009 is a high-severity vulnerability in Academysoftwarefoundation Materialx, classified under Stack-based Buffer Overflow. CVSS score: 7.5/10. Published 2025-08-01.
- How severe is CVE-2025-53009?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2025-53009 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.