CVE-2026-25994: high-severity vulnerability in pjsip pjproject
PJSIP has a heap buffer overflow in ICE with long username
Published · Updated
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41Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 8.1epss 2.0%
from disclosure to weapon55 days
Published on NVDFeb 11
1st PoC+55d
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: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
Affected products
pjsip · pjprojectpublic PoCs found — 2
exploitdbwww.exploit-db.com/exploits/52561unverifiedgithubgithub.com/VABISMO/cve-2026-25994_PJSIP★ 2⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — pjsip pjproject
In the same product, most dangerous first.
CVE-2021-37706HIGHPotential integer underflow upon receiving STUN message in PJSIPEPSS 4.9%CVE-2022-21723CRITICALOut-of-bounds read in multipart parsing in PJSIPEPSS 4.4%CVE-2022-23608HIGHUse after free in PJSIPEPSS 4.0%CVE-2021-43845HIGHPrevent out-of-bounds read in PJSIPEPSS 3.9%CVE-2022-24764HIGHStack buffer overflow in pjprojectEPSS 2.4%CVE-2022-21722CRITICALPotential out-of-bound read during RTP/RTCP parsing in PJSIPEPSS 2.3%