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TI-2017-04659 Aliases CVE-2017-6949GHSA-mg7g-v2j9-85r8

An issue was discovered in CHICKEN Scheme through 4.12.0.

Priority LOW 38CWE-119Published · Updated

Key facts

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

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

An issue was discovered in CHICKEN Scheme through 4.12.0. When using a nonstandard CHICKEN-specific extension to allocate an SRFI-4 vector in unmanaged memory, the vector size would be used in unsanitised form as an argument to malloc(). With an unexpected size, the impact may have been a segfault or buffer overflow.

Why it matters now

EPSS 0.01479 74th 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:4.12.0:*:*:*:*:*:*:*4.12.0Vulnerablechicken
  • cpe:2.3:a:call-cc:chicken:4.12.0:*:*:*:*:*:*:* Versions 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-2017-6949
  2. 2026-10-03 Alias added: GHSA-mg7g-v2j9-85r8

References

Patch 1

  • 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