CVE-2026-54412

Katalog CVE

CVSS 8.2 · High EPSS 0,72%

Kerentanan Out-of-bounds Read. Skor CVSS 3.1 8.2 (High) menurut CNA.

Deskripsi (NVD)

LiamBindle MQTT-C through version 1.1.6 contains a heap-based out-of-bounds read and integer underflow in the mqtt_unpack_publish_response function in src/mqtt.c that allows a remote unauthenticated attacker controlling an MQTT broker - or able to inject MQTT traffic into an unencrypted session - to crash a subscribed MQTT-C client and potentially disclose adjacent heap memory by sending a single crafted PUBLISH packet.

Rincian

Terbit di NVD

14 Juni 2026

Terakhir diubah

10 Agustus 2026

Status NVD

Deferred

CVSS 3.1

8.2 (High), sumber CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-125: Out-of-bounds Read
CWE-191: Integer Underflow (Wrap or Wraparound)

EPSS (30 hari)

0,72% peluang dieksploitasi; lebih tinggi dari 52,5% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://cwe.mitre.org/data/definitions/125.html
• https://cwe.mitre.org/data/definitions/191.html
• https://github.com/LiamBindle/MQTT-C
• https://github.com/LiamBindle/MQTT-C/blob/v1.1.6/src/mqtt.c#L1334