PT-2026-67879

Name of the Vulnerable Software and Affected Versions OpenSIPS versions 3.4.0-beta through 3.6.5 OpenSIPS version 4.0.0-beta Description A buffer overflow exists in the s.b64encode string transformation. The size check only verifies that the input fits within the 64 KB transformation buffer,...

CVE-2026-45100: Buffer Copy without Checking Size of Input

OpenSIPS is a Session Initiation Protocol SIP server implementation. Versions 3.4.0-beta through 3.6.5 and 4.0.0-beta contain a buffer overflow in the s.b64encode string transformation. The size check for s.b64encode only verifies that the input fits within the 64 KB transformation buffer, but...