Out-of-bounds Read in Rui314 8cc
CVE-2026-50643
8cc is vulnerable to an Out‑of‑Bounds Read due to improper handling of #line directives and GNU linemarkers. The compiler accepts attacker-controlled filename and line number metadata and later uses it without validation when accessing sou…
Vulnerability class: Buffer Overflow
Affected products
- Rui314 8cc — versions b480958
Weakness classification (CWE)
References
- cvd@cert.pl (third-party-advisory)
- cvd@cert.pl (product)