Vulnerability · Published Aug 11, 2021 · Assigned by talos
CVE-2020-28589
Critical 9.6
In plain English
A critical-severity security flaw in tinyobjloader. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 80% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.0)9.6Critical
Exploit odds (30 days)1.9%top 20.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An improper array index validation vulnerability exists in the LoadObj functionality of tinyobjloader v2.0-rc1 and tinyobjloader development commit 79d4421. A specially crafted file could lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | tinyobjloader | 2.0.0~rc10+dfsg-2 | DEBIAN-CVE-2020-28589 |
| Debian:13 | tinyobjloader | 2.0.0~rc10+dfsg-2 | DEBIAN-CVE-2020-28589 |
| Debian:14 | tinyobjloader | 2.0.0~rc10+dfsg-2 | DEBIAN-CVE-2020-28589 |
| Ubuntu:22.04:LTS | tinyobjloader | no fix listed | UBUNTU-CVE-2020-28589 |
| Ubuntu:24.04:LTS | tinyobjloader | no fix listed | UBUNTU-CVE-2020-28589 |
| Ubuntu:25.10 | tinyobjloader | no fix listed | UBUNTU-CVE-2020-28589 |
| Ubuntu:26.04:LTS | tinyobjloader | no fix listed | UBUNTU-CVE-2020-28589 |
| Ubuntu:26.10 | tinyobjloader | no fix listed | UBUNTU-CVE-2020-28589 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | tinyobjloader | tinyobjloader development commit 79d4421 , tinyobjloader v2.0-rc1 |
Weakness: CWE-129 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-1212 x_refsource_MISC