NULL pointer dereference in Nicbarker Clay
CVE-2025-15535
A security flaw has been discovered in nicbarker clay up to 0.14. This affects the function Clay__MeasureTextCached in the library clay.h. The manipulation results in null pointer dereference. The attack is only possible with local access. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.001 (2.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000
Affected products
- Nicbarker Clay — versions 0.1, 0.2, 0.3
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, vdb-entry)
- vuldb.com/ (signature, permissions-required)
- vuldb.com/ (third-party-advisory)
- github.com/nicbarker/clay/issues/566 (issue-tracking)
- github.com/oneafter/1215/blob/main/repro (exploit)
- github.com/nicbarker/clay/ (product)
Frequently asked questions
- What is CVE-2025-15535?
- CVE-2025-15535 is a low-severity vulnerability in Nicbarker Clay, classified under Improper Resource Shutdown or Release. CVSS score: 3.3/10. Published 2026-01-18.
- How severe is CVE-2025-15535?
- Low severity. CVSS v3 base score is 3.3 out of 10.