Ubuntu's pipewire-pulse in snap grants microphone access even when the snap interface for audio-record is not set.

published 2024-01-24 2 y ago modified 2026-06-17 4 mo ago also EUVD-2022-52216

cvss: 5.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 20%
public exploits: 0; none known

Patch / fix

distros 1 links 2

pipewire Debian 14, Debian 13 1.0.2-1

debian advisories DEBIAN-CVE-2022-4964

gitlab.freedesktop.org/pipewire/pipewire#1779 pull request
gitlab.freedesktop.org/pipewire/wireplumber#567 pull request

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-2022-4964 updated 2026-11-05 cvss 5.5

pipewire: grants microphone access even when the snap interface for audio-record

Red Hat Enterprise Linux 8 pipewire, pipewire0.2, pipewire-libs, pipewire-utils, pipewire0.2-libs Red Hat Enterprise Linux 9 pipewire, pipewire-alsa, pipewire-libs, pipewire-utils, pipewire-gstreamer, pipewire-module-x11, +3 more
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

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-01-24)

Exploit prediction

0.28% chance of exploitation in the next 30 days, higher than 20% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

bugs.launchpad.net https://bugs.launchpad.net/ubuntu/+source/pipewire/+bug/1995707/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

Canonical Ltd. Ubuntu pipewire-pulse

Classification

Weakness

CWE-276 Incorrect Default Permissions

References

gitlab.freedesktop.org /pipewire/pipewire/-/merge_requests/1779
issue-tracking, patch
gitlab.freedesktop.org /pipewire/wireplumber/-/merge_requests/567
issue-tracking, patch
bugs.launchpad.net /ubuntu/+source/pipewire/+bug/1995707/
issue-tracking, exploit
cve.mitre.org /cgi-bin/cvename.cgi?name=CVE-2022-4964
issue-tracking, third-party-advisory

Sources

CVE List CVE-2022-4964
NVD CVE-2022-4964

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.

Summary