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Fencer Vulns
medium 5.5

CVE-2026-14330 json

Pipewire: pulse server alloca stack overflow

published 2026-07-01 4 mo ago modified 2026-11-05 3 d ago also EUVD-2026-41007

cvss
5.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 4%
public exploits
0
none known

Summary

Multiple unbounded alloca() calls in the PulseAudio protocol server.

Patch / fix

  • Red Hat Red Hat Enterprise Linux 10 0:1.4.11-1.el10_2.2
  • Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support 0:1.2.7-1.el10_0.3
  • Red Hat Red Hat Enterprise Linux 9 0:1.4.11-1.el9_8.2
  • Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions 0:0.3.47-4.el9_2.2
  • Red Hat Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions 0:1.0.1-1.el9_4.3
  • Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support 0:1.0.1-1.el9_6.3
  • pipewire Debian 14 1.6.9-2

debian advisories DEBIAN-CVE-2026-14330

  • pipewire Ubuntu 22.04 LTS 0.3.48-1ubuntu3.2
  • pipewire Ubuntu 24.04 LTS 1.0.5-1ubuntu3.3
  • pipewire Ubuntu 26.04 LTS 1.6.2-1ubuntu1.1

ubuntu advisories UBUNTU-CVE-2026-14330

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

  • pipewire RHEL 9 1.4.11-1.el9_8.2
  • pipewire-alsa RHEL 9 1.4.11-1.el9_8.2
  • pipewire-libs RHEL 9 1.4.11-1.el9_8.2
  • pipewire-utils RHEL 9 1.4.11-1.el9_8.2
  • pipewire-gstreamer RHEL 9 1.4.11-1.el9_8.2
  • pipewire-module-x11 RHEL 9 1.4.11-1.el9_8.2
  • pipewire-pulseaudio RHEL 9 1.4.11-1.el9_8.2
  • pipewire-jack-audio-connection-kit RHEL 9 1.4.11-1.el9_8.2

red hat advisories RHSA-2026:61240

  • pipewire AlmaLinux 10 1.4.11-1.el10_2.2
  • pipewire-alsa AlmaLinux 10 1.4.11-1.el10_2.2
  • pipewire-libs AlmaLinux 10 1.4.11-1.el10_2.2
  • pipewire-utils AlmaLinux 10 1.4.11-1.el10_2.2
  • pipewire-gstreamer AlmaLinux 10 1.4.11-1.el10_2.2
  • pipewire-module-x11 AlmaLinux 10 1.4.11-1.el10_2.2
  • pipewire-pulseaudio AlmaLinux 10 1.4.11-1.el10_2.2
  • pipewire-plugin-libcamera AlmaLinux 10 1.4.11-1.el10_2.2

almalinux advisories ALSA-2026:93442ALSA-2026:61240

  • pipewire Rocky Linux 10 1.4.11-1.el10_2.2
  • pipewire Rocky Linux 9 1.4.11-1.el9_8.2

rocky linux advisories RLSA-2026:93442RLSA-2026:61240

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-2026-14330 updated cvss 5.5

pipewire: Pulse Server alloca Stack Overflow

  • Red Hat Enterprise Linux AppStream (v. 9) pipewire 1.4.11-1.el9_8.2, pipewire-alsa 1.4.11-1.el9_8.2, pipewire-libs 1.4.11-1.el9_8.2, pipewire-utils 1.4.11-1.el9_8.2, pipewire-gstreamer 1.4.11-1.el9_8.2, pipewire-module-x11 1.4.11-1.el9_8.2, +3 more
    fixed: vendor fix “No practical mitigation beyond upgrading. The PulseAudio protocol server is a core module required for PulseAudio application compatibility.” RHSA-2026:61240
  • Red Hat Enterprise Linux AppStream (v. 10) pipewire 1.4.11-1.el10_2.2, pipewire-alsa 1.4.11-1.el10_2.2, pipewire-libs 1.4.11-1.el10_2.2, pipewire-utils 1.4.11-1.el10_2.2, pipewire-gstreamer 1.4.11-1.el10_2.2, pipewire-module-x11 1.4.11-1.el10_2.2, +4 more
    fixed: vendor fix “No practical mitigation beyond upgrading. The PulseAudio protocol server is a core module required for PulseAudio application compatibility.” RHSA-2026:93442
  • Red Hat Enterprise Linux AppStream E4S (v.9.2) pipewire 0.3.47-4.el9_2.2, pipewire-alsa 0.3.47-4.el9_2.2, pipewire-libs 0.3.47-4.el9_2.2, pipewire-utils 0.3.47-4.el9_2.2, pipewire-gstreamer 0.3.47-4.el9_2.2, pipewire-pulseaudio 0.3.47-4.el9_2.2, +1 more
    fixed: vendor fix “No practical mitigation beyond upgrading. The PulseAudio protocol server is a core module required for PulseAudio application compatibility.” RHSA-2026:94490
  • Red Hat Enterprise Linux AppStream E4S (v.9.4) pipewire 1.0.1-1.el9_4.3, pipewire-alsa 1.0.1-1.el9_4.3, pipewire-libs 1.0.1-1.el9_4.3, pipewire-utils 1.0.1-1.el9_4.3, pipewire-gstreamer 1.0.1-1.el9_4.3, pipewire-module-x11 1.0.1-1.el9_4.3, +3 more
    fixed: vendor fix “No practical mitigation beyond upgrading. The PulseAudio protocol server is a core module required for PulseAudio application compatibility.” RHSA-2026:94436
  • Red Hat Enterprise Linux AppStream EUS (v. 10.0) pipewire 1.2.7-1.el10_0.3, pipewire-alsa 1.2.7-1.el10_0.3, pipewire-libs 1.2.7-1.el10_0.3, pipewire-utils 1.2.7-1.el10_0.3, pipewire-gstreamer 1.2.7-1.el10_0.3, pipewire-module-x11 1.2.7-1.el10_0.3, +4 more
    fixed: vendor fix “No practical mitigation beyond upgrading. The PulseAudio protocol server is a core module required for PulseAudio application compatibility.” RHSA-2026:94997
  • Red Hat Enterprise Linux AppStream EUS (v.9.6) pipewire 1.0.1-1.el9_6.3, pipewire-alsa 1.0.1-1.el9_6.3, pipewire-libs 1.0.1-1.el9_6.3, pipewire-utils 1.0.1-1.el9_6.3, pipewire-gstreamer 1.0.1-1.el9_6.3, pipewire-module-x11 1.0.1-1.el9_6.3, +3 more
    fixed: vendor fix “No practical mitigation beyond upgrading. The PulseAudio protocol server is a core module required for PulseAudio application compatibility.” RHSA-2026:94437
  • Red Hat Enterprise Linux 8 pipewire, pipewire0.2, pipewire-libs, pipewire-utils, pipewire0.2-libs Red Hat Enterprise Linux 10 libkrun
    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
none
Automatable
no
Technical impact
partial
Assessed
4 mo ago

Exploit prediction

0.16% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).

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:N/I:N/A:H

Affected products

  • Red Hat Red Hat Enterprise Linux 10
  • Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support
  • Red Hat Red Hat Enterprise Linux 9
  • Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
  • Red Hat Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions
  • Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support
  • Red Hat Red Hat Enterprise Linux 8

Classification

Weakness
  • CWE-770 Allocation of Resources Without Limits or Throttling

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.