---
title: "CVE-2026-54632: SIPSorcery - Denial of Service"
description: "SIPSorcery < 10.0.9 contains a denial of service caused by insufficient length checks in RTP and STUN attribute parsing, letting remote attackers terminate active RTP or WebRTC sessions by sending malformed packets, exploit requires access to ephemeral RTP/ICE port."
url: https://panop.io/threat-heartbeat/CVE-2026-54632/
---

# CVE-2026-54632 SIPSorcery - Denial of Service

SIPSorcery < 10.0.9 contains a denial of service caused by insufficient length checks in RTP and STUN attribute parsing, letting remote attackers terminate active RTP or WebRTC sessions by sending malformed packets, exploit requires access to ephemeral RTP/ICE port.

CVSS base score 7.5 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.72% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-54632)

## Details

Type

Denial of Service

Impact

Denial Of Service

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Published

14 September 2026

Updated

15 October 2026

Weakness

[CWE-20](https://cwe.mitre.org/data/definitions/20.html)

## Vendor fix

Update to version 10.0.9 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-54632](https://nvd.nist.gov/vuln/detail/CVE-2026-54632)
- [https://github.com/sipsorcery-org/sipsorcery/commit/bdb76cbc0c7216e3126f743fb78e8525af56cea2](https://github.com/sipsorcery-org/sipsorcery/commit/bdb76cbc0c7216e3126f743fb78e8525af56cea2)
- [https://github.com/sipsorcery-org/sipsorcery/pull/1677](https://github.com/sipsorcery-org/sipsorcery/pull/1677)
- [https://github.com/sipsorcery-org/sipsorcery/security/advisories/GHSA-28gm-jrmw-xx93](https://github.com/sipsorcery-org/sipsorcery/security/advisories/GHSA-28gm-jrmw-xx93)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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