What is CVE-2026-29628?

CVE-2026-29628 is a medium-severity vulnerability in N/a, classified under Stack-based Buffer Overflow. CVSS score: 6.2/10. Published 2026-04-13.

How severe is CVE-2026-29628?

Medium severity. CVSS v3 base score is 6.2 out of 10.

Is CVE-2026-29628 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in N/a

CVE-2026-29628

A stack overflow in the experimental/tinyobj_loader_opt.h file of tinyobjloader commit d56555b allows attackers to cause a Denial of Service (DoS) via supplying a crafted .mtl file.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (7.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

Public proof-of-concept exploits

kiyochii/CVE-2026-29628

References

Frequently asked questions

What is CVE-2026-29628?: CVE-2026-29628 is a medium-severity vulnerability in N/a, classified under Stack-based Buffer Overflow. CVSS score: 6.2/10. Published 2026-04-13.
How severe is CVE-2026-29628?: Medium severity. CVSS v3 base score is 6.2 out of 10.
Is CVE-2026-29628 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.