CVE-2016-9954
7.5
HIGH
CVSS 3.1
EPSS 2.6%
Description
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.
How to fix CVE-2016-9954
To remediate CVE-2016-9954, upgrade the affected package to a fixed version below.
- Debian/chicken—upgrade to 4.12.0-0.2 or later
Is CVE-2016-9954 being exploited?
Low — EPSS is 2.6%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 4.12.0-0.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |