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CVE-2026-25994

PJSIP has a heap buffer overflow in ICE with long username

CVSS 8.1 HIGHEPSS 1.9%CWE-120
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 · pjproject
public PoCs found — 1
exploitdbwww.exploit-db.com/exploits/52561unverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References
https://github.com/pjsip/pjproject/commit/063b3a155f163cc5a9a1df2c56b6720fd3a0dbb0https://github.com/pjsip/pjproject/security/advisories/GHSA-j29p-pvh2-pvqp