GCVE - cpe:2.3:a:wolfssl:wolfmqtt:1.9:*:*:*:*:*:*:*

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cpe:2.3:a:wolfssl:wolfmqtt:1.9:*:*:*:*:*:*:*

part: a version: 1.9 update: *

Vendor	Wolfssl (`c89e4e4f-7da7-5f15-8e26-95faf62010c7`)
Product	Wolfmqtt (`fe748d3d-e523-549b-b107-d44933f0fe7d`)
Edition	*
Language	*
Software edition	*
Target software	*
Target hardware	*
Other	*
Notes	Imported from NVD CPE 2.0 feed

PURL mappings

PURL	Source	Last updated
`pkg:github/wolfssl/wolfmqtt`	purl2cpe	2026-06-01 10:16:40.853115

Vulnerability references

Identifier	cpeApplicability	Submitted	db.gcve.eu details	Rationale
`CVE:CVE-2021-45939`	vulnerable	2026-06-08 05:36:49.581118	Details available wolfSSL wolfMQTT 1.9 has a heap-based buffer overflow in MqttClient_DecodePacket (called from MqttClient_WaitType and MqttClient_Subscribe). Published: 2021-12-31T23:57:33.000Z Updated: 2024-08-04T04:54:31.116Z Open on db.gcve.eu Reference links https://github.com/wolfSSL/wolfMQTT/commit/84d4b53122e0fa0280c7872350b89d5777dabbb2 https://github.com/google/oss-fuzz-vulns/blob/main/vulns/wolfmqtt/OSV-2021-1361.yaml https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39103	Imported from gcve-enriched-dumps CVE data
`CVE:CVE-2021-45938`	vulnerable	2026-06-08 05:36:49.580815	Details available wolfSSL wolfMQTT 1.9 has a heap-based buffer overflow in MqttClient_DecodePacket (called from MqttClient_WaitType and MqttClient_Unsubscribe). Published: 2021-12-31T23:57:41.000Z Updated: 2024-08-04T04:54:31.009Z Open on db.gcve.eu Reference links https://github.com/wolfSSL/wolfMQTT/commit/84d4b53122e0fa0280c7872350b89d5777dabbb2 https://github.com/google/oss-fuzz-vulns/blob/main/vulns/wolfmqtt/OSV-2021-1353.yaml https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39056	Imported from gcve-enriched-dumps CVE data
`CVE:CVE-2021-45937`	vulnerable	2026-06-08 05:36:49.580400	Details available wolfSSL wolfMQTT 1.9 has a heap-based buffer overflow in MqttClient_DecodePacket (called from MqttClient_WaitType and MqttClient_Connect). Published: 2021-12-31T23:57:49.000Z Updated: 2024-08-04T04:54:31.251Z Open on db.gcve.eu Reference links https://github.com/wolfSSL/wolfMQTT/commit/84d4b53122e0fa0280c7872350b89d5777dabbb2 https://github.com/google/oss-fuzz-vulns/blob/main/vulns/wolfmqtt/OSV-2021-1349.yaml https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39083	Imported from gcve-enriched-dumps CVE data
`CVE:CVE-2021-45936`	vulnerable	2026-06-08 05:36:49.580051	Details available wolfSSL wolfMQTT 1.9 has a heap-based buffer overflow in MqttDecode_Disconnect (called from MqttClient_DecodePacket and MqttClient_WaitType). Published: 2021-12-31T23:57:59.000Z Updated: 2024-08-04T04:54:31.248Z Open on db.gcve.eu Reference links https://github.com/wolfSSL/wolfMQTT/commit/84d4b53122e0fa0280c7872350b89d5777dabbb2 https://github.com/google/oss-fuzz-vulns/blob/main/vulns/wolfmqtt/OSV-2021-1348.yaml https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39053	Imported from gcve-enriched-dumps CVE data
`CVE:CVE-2021-45934`	vulnerable	2026-06-08 05:36:49.577891	Details available wolfSSL wolfMQTT 1.9 has a heap-based buffer overflow in MqttClient_DecodePacket (called from MqttClient_HandlePacket and MqttClient_WaitType). Published: 2021-12-31T23:58:22.000Z Updated: 2024-08-04T04:54:31.152Z Open on db.gcve.eu Reference links https://github.com/wolfSSL/wolfMQTT/commit/84d4b53122e0fa0280c7872350b89d5777dabbb2 https://github.com/google/oss-fuzz-vulns/blob/main/vulns/wolfmqtt/OSV-2021-1204.yaml https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=38146	Imported from gcve-enriched-dumps CVE data
`CVE:CVE-2021-45933`	vulnerable	2026-06-08 05:36:49.577550	db.gcve.eu details were skipped to keep the page responsive. Open on db.gcve.eu	Imported from gcve-enriched-dumps CVE data
`CVE:CVE-2021-45932`	vulnerable	2026-06-08 05:36:49.576995	db.gcve.eu details were skipped to keep the page responsive. Open on db.gcve.eu	Imported from gcve-enriched-dumps CVE data

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