---
id: "CVE-2026-33958"
kind: "vulnerability"
aliases: ["CVE-2026-33958"]
title: "Malformed RRC Reconfiguration message causes out-of-bounds access and denial of service"
severity: "unknown"
cvss: null
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["baseband", "cellular-modem", "infrastructure", "mobile-devices"]
not_affected_if: []
published_at: "2026-11-05T03:17:26+00:00"
first_seen_at: "2026-11-05T03:31:43+00:00"
updated_at: "2026-11-05T03:33:54+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33958", "first_seen_at": "2026-11-05T03:31:43+00:00"}]
exploit_sources: []
---

# Malformed RRC Reconfiguration message causes out-of-bounds access and denial of service

A malformed RRC Reconfiguration message, part of cellular radio control signalling, triggers an out-of-bounds memory access in the device's processing code. The result is a denial-of-service condition, with no code execution stated in the sources.

_Summary, check and fix written by a model from the sources; labelled as such._

## Timeline

- 2026-11-05T03:31:43+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-33958

## From the sources

Processing a malformed RRC Reconfiguration message leads to an out-of-bounds (OOB) access, resulting in a denial-of-service (DoS) condition.

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_