CVE-2026-33491
Zen C is a systems programming language that compiles to human-readable GNU C/C11.
Published Mar 26, 2026 · updated Jun 17, 2026 · zenc-lang zen c
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 ( ) 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.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Mar 26, 2026 · NIST NVD
Detected
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 ( ) with excessively long struct, function, or trait identifiers. Users are advised to update t
Jun 17, 2026 · NIST NVD
Updated
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 ( ) with excessively long struct, function, or trait identifiers. Users are advised to update t
Affected
- cpe zenc-lang/zen cversion unspecified
Sources
- CVE.orgVulnerability recordCVE-2026-33491
Official CVE identifier
cve.org - NIST NVDVulnerability recordCVE-2026-33491
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 c
nvd.nist.gov