CVE-2025-15535

nicbarker clay clay.h Clay__MeasureTextCached null pointer dereference

State: Published
Severity: 4.8 Medium
Published: Jan 18, 2026
Updated: Feb 23, 2026
Reserved: Jan 17, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	4.8 Medium	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	3.3 Low	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R	VulDB
3.0	3.3 Low	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R	VulDB
2.0	1.7 Low	AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR	VulDB

Weaknesses

CWE-476 NULL Pointer Dereference
CWE-404 Denial of Service

Affected Products

Product	Versions
claynicbarker	0.1Affected 0.2Affected 0.3Affected 0.4Affected 0.5Affected 0.6Affected 0.7Affected 0.8Affected 0.9Affected 0.10Affected 0.11Affected 0.12Affected 0.13Affected 0.14Affected

References

VDB-341707 | nicbarker clay clay.h Clay__MeasureTextCached null pointer dereferencevdb-entrytechnical-description
VDB-341707 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
Submit #733346 | nicbarker clay v0.14 and master-branch Memory Corruptionthird-party-advisory
https://github.com/nicbarker/clay/issues/566issue-tracking
https://github.com/oneafter/1215/blob/main/reproexploit
https://github.com/nicbarker/clay/product

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