Pipewire: pulse server alloca stack overflow

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Summary

CVECVE-2026-14330
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-01 15:17:06 UTC
Updated2026-11-05 17:18:07 UTC
DescriptionMultiple unbounded alloca() calls in the PulseAudio protocol server.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

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

EPSS: 0.001560000 probability, percentile 0.047930000 (date 2026-11-05)

Problem Types: CWE-770 | CWE-770 Allocation of Resources Without Limits or Throttling

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
3.1CNACVSS5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Red Hat Red Hat Enterprise Linux 10 unaffected 0:1.4.11-1.el10_2.2 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support unaffected 0:1.2.7-1.el10_0.3 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 9 unaffected 0:1.4.11-1.el9_8.2 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 9.2 Update Services For SAP Solutions unaffected 0:0.3.47-4.el9_2.2 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 9.4 Update Services For SAP Solutions unaffected 0:1.0.1-1.el9_4.3 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support unaffected 0:1.0.1-1.el9_6.3 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 10 Not specified Not specified
CNA Red Hat Red Hat Enterprise Linux 8 Not specified Not specified
CNA Red Hat Red Hat Enterprise Linux 8 Not specified Not specified

References

ReferenceSourceLinkTags
access.redhat.com/errata/RHSA-2026:94997 [email protected] access.redhat.com
access.redhat.com/errata/RHSA-2026:93442 [email protected] access.redhat.com
bugzilla.redhat.com/show_bug.cgi [email protected] bugzilla.redhat.com
access.redhat.com/errata/RHSA-2026:94436 [email protected] access.redhat.com
access.redhat.com/errata/RHSA-2026:94490 [email protected] access.redhat.com
access.redhat.com/errata/RHSA-2026:94437 [email protected] access.redhat.com
access.redhat.com/errata/RHSA-2026:61240 [email protected] access.redhat.com
access.redhat.com/security/cve/CVE-2026-14330 [email protected] access.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Red Hat would like to thank Tristan Madani for reporting this issue. (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-07-01T12:29:48.065ZReported to Red Hat.
CNA2026-07-01T00:00:00.000ZMade public.

Workarounds

CNA: No practical mitigation beyond upgrading. The PulseAudio protocol server is a core module required for PulseAudio application compatibility.

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