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CVE-2026-25994

PJSIP has a heap buffer overflow in ICE with long username

Published: Feb 11, 2026Updated: Feb 19, 2026 Sources: CVE List NVDCWE-120
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
1.9%
Top 22.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-120

Affected Products

pjprojectpjsip
Mixed
Communications / voip-telephony
pjsippjsip
Mixed
Communications / voip-telephony
pjsiposs-projectCommunicationsaka pjproject, pjmedia-video, pjsip

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://github.com/pjsip/pjproject/security/advisories/GHSA-j29p-pvh2-pvqp
github.com
https://github.com/pjsip/pjproject/commit/063b3a155f163cc5a9a1df2c56b6720fd3a0dbb0
github.com

Timeline

Published
Feb 11, 2026
Last Updated
Feb 19, 2026

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