Vulnerability · Published Feb 11, 2026 · Assigned by GitHub_M
CVE-2026-25994PJSIP has a heap buffer overflow in ICE with long username
High 8.1
In plain English
A high-severity buffer overflow in pjproject from pjsip. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.1% (higher than 82% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Severity (CVSS 4.0)8.1High
Exploit odds (30 days)2.1%top 18.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.24 | pjproject | 2.17-r0 | ALPINE-CVE-2026-25994 |
| Debian:14 | asterisk | 1:22.10.0+dfsg+~cs6.17.60671434-1 | DEBIAN-CVE-2026-25994 |
Affected products (as reported)
Weakness: CWE-120 · Vector: 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