VULNERABILITY INTELLIGENCE

CVE-2026-71266

CVSS score7.8 HIGH
EPSS probability0.17%
CISA KEVNot currently listed
Published2026-08-05
Last modified2026-10-24
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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.

Weakness classification

  • 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c: CWE-121

Primary references