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cpe:2.3:a:emqx:cocoamqtt:*:*:*:*:*:swift:*:*

part: a version: * update: *

VendorEmqx (3815afa5-363a-5807-a62b-81827f994785)
ProductCocoamqtt (fd41d85a-2936-5ecd-8f20-c033b3c5d6c9)
Edition*
Language*
Software edition*
Target softwareswift
Target hardware*
Other*
NotesImported from purl2cpe mapping

PURL mappings

PURLSourceLast updated
pkg:github/emqx/cocoamqtt purl2cpe 2026-06-01 10:13:30.492966

Vulnerability references

IdentifiercpeApplicabilitySubmitteddb.gcve.eu detailsRationale
CVE:CVE-2026-30867 vulnerable 2026-06-08 07:57:14.398698 CocoaMQTT: Denial of Service via Reachable Assertion in `PUBLISH` Packet Parsing
MEDIUM (5.7)
CocoaMQTT is a MQTT 5.0 client library for iOS and macOS written in Swift. Prior to version 2.2.2, a vulnerability exists in the packet parsing logic of CocoaMQTT that allows an attacker (or a compromised/malicious MQTT broker) to remotely crash the host iOS/macOS/tvOS application. If an attacker publishes the 4-byte malformed payload to a shared topic with the RETAIN flag set to true, the MQTT broker will persist the payload. Any time a vulnerable client connects and subscribes to that topic, the broker will automatically push the malformed packet. The app will instantly crash in the background before the user can even interact with it. This effectively "bricks" the mobile application (a persistent DoS) until the retained message is manually wiped from the broker database. This issue has been patched in version 2.2.2.
Published: 2026-04-02T13:57:06.394Z
Updated: 2026-04-02T16:23:13.357Z
Reference links
Imported from gcve-enriched-dumps CVE data

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