An issue was discovered in CHICKEN Scheme through 4.12.0. When using a nonstandard CHICKEN-specific extension to allocate an SRFI-4 vector in unmanaged memory, the vector size would be used in unsanitised form as an argument to malloc(). With an unexpected size, the impact may have been a segfault or buffer overflow.
CVSS Details
- CVSS 3.0 Base Score: 8.1
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade chicken | Aug 22, 2024 | Mar 16, 2017 |
| Debian | — | Upgrade chicken | Apr 23, 2017 | Mar 16, 2017 |
| Freebsd | — | Upgrade chicken | Aug 14, 2018 | Aug 12, 2018 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Mar 16, 2017 |
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