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CVE-2026-33491

7.8 · HIGH
Published Mar 26, 2026 zenc-lang CWE-121

Overview

CVE-2026-33491 is a high-severity vulnerability affecting zenc-lang zen_c. It was published on March 26, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical Description

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.

Remediation

Check the references section for vendor advisories and patches from zenc-lang. Update zen_c to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status
zenc-lang zen_c >= 0, < 0.4.4 Affected

Frequently Asked Questions

What is CVE-2026-33491?

CVE-2026-33491 is a high-severity vulnerability affecting zenc-lang zen_c. It was published on March 26, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2026-33491?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-33491?

Check the references section for vendor advisories and patches from zenc-lang. Update zen_c to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-33491?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-33491 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.