CVE-2026-32942: PJSIP has ICE session use-after-free race conditions

Published Mar 20, 2026
·
Updated

PJSIP is a free and open source multimedia communication library written in C. Versions 2.16 and below contain a heap use-after-free vulnerability in the ICE session that occurs when there are race conditions between session destruction and the callbacks. This issue has been fixed in version 2.17.

Affected Software

2 affected components
PJSIP PJSIP<=2.16
PJSIP PJSIP<2.17

Event History

Mar 20, 2026
CVE Published
via MITRE·03:43 AM
Data Sourced
via MITRE·03:43 AM
DescriptionWeakness
Data Sourced
via NVD·04:16 AM
RemedyDescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-32942?

CVE-2026-32942 is classified as a high severity vulnerability due to the potential for exploitation through use-after-free conditions.

2

How do I fix CVE-2026-32942?

To fix CVE-2026-32942, upgrade to PJSIP version 2.17 or higher where the vulnerability has been addressed.

3

What types of systems are affected by CVE-2026-32942?

CVE-2026-32942 affects all versions of PJSIP up to and including 2.16.

4

What implications does CVE-2026-32942 have for an organization?

CVE-2026-32942 can lead to the execution of arbitrary code or crashes, potentially impacting service availability and security.

5

Is CVE-2026-32942 a client or server-side vulnerability?

CVE-2026-32942 can be considered a server-side vulnerability, as it affects the implementation of the PJSIP library for multimedia communications.

Contact

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