by Kastro
Paper/Archive/CVE-2026-25994

CVE-2026-25994

pjsip pjproject — PJSIP has a heap buffer overflow in ICE with long username

EPSS 2%CVSS 9.8
critical.is priorityof 100
46
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 81.5.815 × 2016.3No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
pjproject<= 2.16–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GitHub_M (CNA)8.1CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refgithub.com/pjsip/pjproject/security/advisories/GHSA-j29p-pvh2-pvqprefgithub.com/pjsip/pjproject/commit/063b3a155f163cc5a9a1df2c56b6720fd3a0dbb0