CVE-2026-71266
High
Description
tinyobjloader-c's tinyobj_parse_and_index_mtl_file (tinyobj_loader_c.h) reads each line of a .mtl material file into a fixed 4096-byte stack buffer via memcpy(linebuf, p, p_len), guarded only by . The identical vulnerable pattern is duplicated in a second function in the same file.
SeverityHigh
CVSS7.8
Exploit probability—
ProductSyoyo Tinyobjloader-c
PublishedAug 5, 2026
First seenAug 5, 2026
Weakness typeCWE-121CWE-121
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| syoyo tinyobjloader-c | 0 | — |
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