CVE-2017-9334
7.5
HIGH
CVSS 3.1
EPSS 0.43%
Description
An incorrect "pair?" check in the Scheme "length" procedure results in an unsafe pointer dereference in all CHICKEN Scheme versions prior to 4.13, which allows an attacker to cause a denial of service by passing an improper list to an application that calls "length" on it.
How to fix CVE-2017-9334
To remediate CVE-2017-9334, upgrade the affected package to a fixed version below.
- Debian/chicken—upgrade to 4.12.0-0.2 or later
Is CVE-2017-9334 being exploited?
Low — EPSS is 0.4%, 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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |