CVE-2026-25994
CVE-2026-25994 is a critical-severity vulnerability in Pjsip with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v4: 8.1
- EPSS exploit prediction: 2% (78th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-6200
- Weakness: CWE-120
- Affected product: Pjsip
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2026-25994?
- 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.
- How severe is CVE-2026-25994?
- CVE-2026-25994 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-25994 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-25994?
- CVE-2026-25994 affects Pjsip. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-25994?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2026-25994 have an EU (EUVD) identifier?
- Yes. CVE-2026-25994 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6200.
- When was CVE-2026-25994 published?
- CVE-2026-25994 was published on 2026-02-11 and last updated on 2026-06-17.
References
- https://github.com/pjsip/pjproject/commit/063b3a155f163cc5a9a1df2c56b6720fd3a0dbb0
- https://github.com/pjsip/pjproject/security/advisories/GHSA-j29p-pvh2-pvqp
Affected products (1)
- cpe:2.3:a:pjsip:pjsip:*:*:*:*:*:*:*:*
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