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TI-2021-18256 Aliases CVE-2021-41498GHSA-qj27-32wp-ghrg

Buffer overflow in ajaxsoundstudio.com Pyo &lt and 1.03 in the Server_jack_init function.

Priority LOW 35CWE-120Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-120 and the CVSS impact.

Summary

Buffer overflow in ajaxsoundstudio.com Pyo &lt and 1.03 in the Server_jack_init function. which allows attackers to conduct Denial of Service attacks by arbitrary constructing a overlong server name.

Why it matters now

EPSS 0.01234 69th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed pyo (PyPI): 1.0.4

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
—pyo (PyPI)before 1.0.41.0.4Patch availableGHSA-qj27-32wp-ghrg
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • pyo (PyPI) Vendor— Affected before 1.0.4 Fixed in 1.0.4 Patch available GHSA-qj27-32wp-ghrg

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:pyo_project:pyo:1.03:*:*:*:*:*:*:*1.03VulnerablePyo Project
  • cpe:2.3:a:pyo_project:pyo:1.03:*:*:*:*:*:*:* Versions 1.03 Vulnerable ·Pyo Project

Remediation

  • Fix · GHSA-qj27-32wp-ghrg pyo (PyPI) Fixed in 1.0.4 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-41498
  2. 2026-10-03 Alias added: GHSA-qj27-32wp-ghrg

References

  • TI-2021-18257 Buffer Overflow Vulnerability exists in ajaxsoundstudio.com n Pyo < 1.03 in the… CVSS 3.1HIGH 7.5

Sources