What’s Vulnerable › Vulnerabilities

CVE-2017-9334

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-06-01 · updated 2026-06-17
• Weakness: CWE-20

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.

Affected products

• chicken: through 4.12.0

References

• http://lists.nongnu.org/archive/html/chicken-announce/2017-05/msg00000.html
• http://lists.nongnu.org/archive/html/chicken-hackers/2017-05/msg00099.html
• http://lists.nongnu.org/archive/html/chicken-announce/2017-05/msg00000.html
• http://lists.nongnu.org/archive/html/chicken-hackers/2017-05/msg00099.html

Get alerted when CVE-2017-9334 or the next vulnerability affects your stack