What’s Vulnerable › Vulnerabilities

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

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-02-11 · updated 2026-06-17
• Weakness: CWE-120

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.

Affected products

• Pjsip: through 2.16

References

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

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