CVE-2023-29995
CVE-2023-29995 is a high-severity vulnerability in Emqx Nanomq with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (50th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Emqx Nanomq
- Published:
- Last modified:
Description
In NanoMQ v0.15.0-0, a Heap overflow occurs in copyn_utf8_str function of mqtt_parser.c
Frequently asked questions
- What is CVE-2023-29995?
- In NanoMQ v0.15.0-0, a Heap overflow occurs in copyn_utf8_str function of mqtt_parser.c
- How severe is CVE-2023-29995?
- CVE-2023-29995 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2023-29995 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-29995?
- CVE-2023-29995 affects Emqx Nanomq. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-29995?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-29995 published?
- CVE-2023-29995 was published on 2023-05-04 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:emqx:nanomq:0.15.0:*:*:*:*:*:*:*
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