VulnerabilityDeferred

CVE-2026-71266

The identical vulnerable pattern is duplicated in a second function in the same file.

HIGH 7.8EPSS 0.13%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.13%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1: 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS: 0.13% probability · 3th percentile
CISA KEV: Not listed
Weakness: CWE-121
Source: 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c

References

https://github.com/syoyo/tinyobjloader-c
https://github.com/syoyo/tinyobjloader-c/blob/master/tinyobj_loader_c.h

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.