Description
wolfSSL wolfMQTT 1.9 has a heap-based buffer overflow in MqttDecode_Disconnect (called from MqttClient_DecodePacket and MqttClient_WaitType).
References (3)
Core 3
Core References
Patch, Third Party Advisory x_refsource_misc
https://github.com/wolfSSL/wolfMQTT/commit/84d4b53122e0fa0280c7872350b89d5777dabbb2
Exploit, Third Party Advisory x_refsource_misc
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/wolfmqtt/OSV-2021-1348.yaml
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39053
Scores
CVSS v3
5.5
EPSS
0.0021
EPSS Percentile
43.1%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Details
CWE
CWE-787
Status
published
Products (1)
wolfssl/wolfmqtt
1.9
Published
Jan 01, 2022
Tracked Since
Feb 18, 2026