VULNERABILITY INTELLIGENCE

CVE-2017-11343

CVSS score7.5 HIGH
EPSS probability0.94%
CISA KEVNot currently listed
Published2017-07-17
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Description

Due to an incomplete fix for CVE-2012-6125, all versions of CHICKEN Scheme up to and including 4.12.0 are vulnerable to an algorithmic complexity attack. An attacker can provide crafted input which, when inserted into the symbol table, will result in O(n) lookup time.

Weakness classification

  • CWE-407: Inefficient Algorithmic Complexity

Primary references