Name: CVE-2016-9954: Undefined Security Weakness
Creator: Rapid7
Published: 2017-04-21T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2016-9954, CWE-399, CVSS 7.5, EPSS 0.02062

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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CVSS Details

Covered by Rapid7

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