CVE-2020-22617

Name: CVE-2020-22617
Creator: NVD / NIST
Published: 2021-10-08T20:15:07.33+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.25%

Last modified Jun 17, 2026

CVE-2020-22617 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Ardour v5.12 contains a use-after-free vulnerability in the component ardour/libs/pbd/xml++.cc when using xmlFreeDoc and xmlXPathFreeContext.. EPSS estimates a 1.25% chance of exploitation in the next 30 days.

Description

Ardour v5.12 contains a use-after-free vulnerability in the component ardour/libs/pbd/xml++.cc when using xmlFreeDoc and xmlXPathFreeContext.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.25%

65.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Ardour	Ardour	5.12

References

https://github.com/Ardour/ardour/commit/96daa4036aPatch, Third Party Advisory
https://tracker.ardour.org/view.php?id=7926Vendor Advisory
https://github.com/Ardour/ardour/commit/96daa4036aPatch, Third Party Advisory
https://tracker.ardour.org/view.php?id=7926Vendor Advisory

Timeline

Published: Oct 8, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-22617?

Ardour v5.12 contains a use-after-free vulnerability in the component ardour/libs/pbd/xml++.cc when using xmlFreeDoc and xmlXPathFreeContext.

How severe is CVE-2020-22617?

CVE-2020-22617 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.25% probability of exploitation in the next 30 days.

How do I fix CVE-2020-22617?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-22617?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST