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TI-2017-06762 Aliases CVE-2017-9334GHSA-mm87-prr6-cmmh

An incorrect "pair?" check in the Scheme "length" procedure results in an unsafe pointer…

Priority LOW 36CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.01549 75th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:call-cc:chicken:*:*:*:*:*:*:*:*up to 4.12.0Vulnerablechicken
  • cpe:2.3:a:call-cc:chicken:*:*:*:*:*:*:*:* Versions up to 4.12.0 Vulnerable ·chicken

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-9334
  2. 2026-10-03 Alias added: GHSA-mm87-prr6-cmmh

References

Patch 2

  • TI-2022-22220 egg-compile.scm in CHICKEN 5.x before 5.3.1 allows arbitrary OS command execution during… CVSS 3.1CRITICAL 9.8
  • TI-2014-05188 Buffer overflow in CHICKEN 4.9.0 and 4.9.0.1 may allow remote attackers to execute… CVSS 3.1CRITICAL 9.8
  • TI-2016-05868 The "process-execute" and "process-spawn" procedures in CHICKEN Scheme used fixed-size… CVSS 3.0CRITICAL 9.8
  • TI-2012-05089 Chicken before 4.8.0 is susceptible to algorithmic complexity attacks related to hash table collisions. CVSS 3.1CRITICAL 9.8
  • TI-2013-01796 OS command injection vulnerability in the "qs" procedure from the "utils" module in Chicken before 4.9.0. CVSS 3.1HIGH 8.8
  • TI-2013-01846 Buffer overflow in chicken CVSS 3.1HIGH 8.8
See all 17 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences