Stack-based Buffer Overflow Affecting zenc-lang/zenc package, versions [,0.4.4)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.24% (15th percentile)

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  • Snyk IDSNYK-UNMANAGED-ZENCLANGZENC-15857157
  • published31 Mar 2026
  • disclosed26 Mar 2026
  • creditAli Firas

Introduced: 26 Mar 2026

CVE-2026-33491  (opens in a new tab)
CWE-121  (opens in a new tab)

How to fix?

Upgrade zenc-lang/zenc to version 0.4.4 or higher.

Overview

Affected versions of this package are vulnerable to Stack-based Buffer Overflow in the internal name mangling and identifier construction. An attacker can cause a crash or potentially execute arbitrary code by supplying a specially crafted source file with excessively long struct, function, or trait identifiers.

CVSS Base Scores

version 4.0
version 3.1