CVE-2026-25994: PJSIP has a heap buffer overflow in ICE with long username

Published Feb 11, 2026
·
Updated

PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, a buffer overflow vulnerability exists in PJNATH ICE Session when processing credentials with excessively long usernames.

Affected Software

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

Remediation

Patch Available

https://github.com/pjsip/pjproject/commit/063b3a155f163cc5a9a1df2c56b6720fd3a0dbb0

Patch Available

https://github.com/pjsip/pjproject/security/advisories/GHSA-j29p-pvh2-pvqp

Event History

Feb 11, 2026
CVE Published
via MITRE·08:56 PM
Data Sourced
via MITRE·08:56 PM
DescriptionWeakness
Data Sourced
via NVD·09:16 PM
RemedyDescriptionSeverityWeaknessAffected Software
May 14, 2026
Exploit Published
via ExploitDB·12:00 AM
Known Exploited
02:49 PM
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Frequently Asked Questions

1

What is the severity of CVE-2026-25994?

The severity of CVE-2026-25994 is classified as critical due to the potential for remote code execution via a heap buffer overflow.

2

How do I fix CVE-2026-25994?

To fix CVE-2026-25994, update to PJSIP version 2.17 or later where the vulnerability has been addressed.

3

What software versions are affected by CVE-2026-25994?

CVE-2026-25994 affects PJSIP versions 2.16 and earlier.

4

What are the risks associated with CVE-2026-25994?

The risks associated with CVE-2026-25994 include potential exploitation leading to arbitrary code execution on affected systems.

5

How does CVE-2026-25994 exploit long usernames?

CVE-2026-25994 exploits the vulnerability through a heap buffer overflow when handling excessively long usernames in PJNATH ICE Sessions.

Company

Resources

Contact

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