CVE-2026-77322: SIPGO: DoS via unvalidated WebSocket frame length

September 22, 2026

The WebSocket transport allocates a buffer from the frame payload length before validating its size, which can lead to an unauthenticated DoS.

References

github.com/advisories/GHSA-8h6x-h86x-75wh
github.com/emiago/sipgo/commit/769e4bc958376e2363566c8f7042202b410becdc
github.com/emiago/sipgo/releases/tag/v1.4.3
github.com/emiago/sipgo/security/advisories/GHSA-8h6x-h86x-75wh
nvd.nist.gov/vuln/detail/CVE-2026-77322

Code Behaviors & Features

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