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.
CVSS Details
- CVSS 3.0 Base Score: 7.5
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade chicken | Jul 30, 2024 | Jul 17, 2017 |
| Freebsd | — | Upgrade chicken | Aug 14, 2018 | Aug 12, 2018 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Jul 17, 2017 |
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