CVE-2026-71266 — tinyobjloader-c Stack Buffer Overflow in MTL Material File Line Parsing
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)…
Published: 2026-08-05 · CVSS: 7.8 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7