Skip to content
Fencer Vulns
critical 9.8

CVE-2020-22617 json

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

published 2021-10-08 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-15377

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 70%
public exploits
0
none known

Summary

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

Patch / fix

  • ardour Debian 14, Debian 13, Debian 12 1:6.0.0~ds0-1

debian advisories DEBIAN-CVE-2020-22617

  • ardour Ubuntu 18.04 LTS 1:5.12.0-3ubuntu0.1
  • ardour Ubuntu 20.04 LTS 1:5.12.0-3ubuntu4.1

ubuntu advisories UBUNTU-CVE-2020-22617

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-22617 updated cvss 9.8

ardour: use-after-free in the component ardour/libs/pbd/xml++.cc

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.29% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.