The backtrack compilation code in the Irregex package (aka IrRegular Expressions) before 0.9.6 for Scheme allows remote attackers to cause a denial of service (memory consumption) via a crafted regular expression with a repeating pattern.
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:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade chicken | Jul 30, 2024 | Apr 21, 2017 |
| Freebsd | — | Upgrade chicken | Dec 10, 2025 | Feb 4, 2017 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Apr 21, 2017 |
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