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EUVD-2026-243747

fkie_cve-2025-49140

Pion Interceptor is a framework for building RTP/RTCP communication software. Versions v0.1.36 through v0.1.38 contain a bug in a RTP packet factory that can be exploited to trigger a panic with Pion based SFU via crafted RTP packets, This only affect users that use pion/interceptor. Users should upgrade to v0.1.39 or later, which validates that: `padLen > 0 && padLen <= payloadLength` and return error on overflow, avoiding panic. If upgrading is not possible, apply the patch from the pull request manually or drop packets whose P-bit is set but whose padLen is zero or larger than the remaining payload.

GHSA-f26w-gh5m-qq77 — Pion Interceptor's improper RTP padding handling allows remote crash for SFU users (DoS)

Affected: Go: github.com/pion/interceptor

### Impact Pion Interceptor versions v0.1.36 through v0.1.38 contain a bug in a RTP packet factory that can be exploited to trigger a panic with Pion based SFU via crafted RTP packets, This only affect users that use pion/interceptor.

### Patches

Upgrade to v0.1.39 or later, which includes PR [#338](https://github.com/pion/interceptor/pull/338) which validates that: `padLen > 0 && padLen <= payloadLength` and return error on overflow, avoiding panic.

If upgrading is not possible, apply the patch from the pull request manually or drop packets whose P-bit is set but whose padLen is zero or larger than the remaining payload.

### Workarounds At the application layer, reject any RTP packet where: ``` hasPadding (P-bit field) == true && (padLen == 0 || padLen > packetLen – headerLen) ```

before passing it to Pion’s packet factories.

### References Commit fixing the bug: https://github.com/pion/interceptor/commit/fa5b35ea867389cec33a9c82fffbd459ca8958e5 Pull request: https://github.com/pion/interceptor/pull/338 Issue: https://github.com/pion/webrtc/issues/3148

openSUSE-SU-2025:15225-1 — govulncheck-vulndb-0.0.20250612T141001-1.1 on GA media

govulncheck-vulndb-0.0.20250612T141001-1.1 on GA media

UBUNTU-CVE-2025-49140

Affected: Ubuntu:24.04:LTS: golang-github-pion-interceptor, Ubuntu:25.10: golang-github-pion-interceptor, Ubuntu:26.04:LTS: golang-github-pion-interceptor