CVE-2026-33491 — Zen-C has Stack-Based Buffer Overflow in Identifier Mangling

CVE-2026-33491

Zen-C has Stack-Based Buffer Overflow in Identifier Mangling PUBLISHED

Description (CNA)

Zen C is a systems programming language that compiles to human-readable GNU C/C11. Prior to version 0.4.4, a stack-based buffer overflow vulnerability in the Zen C compiler allows attackers to cause a compiler crash or potentially execute arbitrary code by providing a specially crafted Zen C source file (`.zc`) with excessively long struct, function, or trait identifiers. Users are advised to update to Zen C version v0.4.4 or later to receive a patch.

Affected (CNA)

Vendor / product	Versions
zenc-lang / zenc	affected < 0.4.4

CWE

CWE-121, CWE-787

References

https://github.com/zenc-lang/zenc/security/advisories/GHSA-rv74-w6q7-h8xr

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.