How severe is CVE-2024-6383?

CVE-2024-6383 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2024-6383 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-6383?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-6383 have an EU (EUVD) identifier?

Yes. CVE-2024-6383 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-47490.

When was CVE-2024-6383 published?

CVE-2024-6383 was published on 2024-07-03 and last updated on 2026-06-17.

CVE-2024-6383

CVE-2024-6383 is a medium-severity vulnerability with a CVSS 3.x base score of 5.3. 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-122.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-47490
Weakness: CWE-122
Published: 2024-07-03
Last modified: 2026-06-17

Description

The bson_string_append function in MongoDB C Driver may be vulnerable to a buffer overflow where the function might attempt to allocate too small of buffer and may lead to memory corruption of neighbouring heap memory. This issue affects libbson versions prior to 1.27.1

Frequently asked questions

What is CVE-2024-6383?: The bson_string_append function in MongoDB C Driver may be vulnerable to a buffer overflow where the function might attempt to allocate too small of buffer and may lead to memory corruption of neighbouring heap memory. This issue affects libbson versions prior to 1.27.1
How severe is CVE-2024-6383?: CVE-2024-6383 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2024-6383 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-6383?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-6383 have an EU (EUVD) identifier?: Yes. CVE-2024-6383 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-47490.
When was CVE-2024-6383 published?: CVE-2024-6383 was published on 2024-07-03 and last updated on 2026-06-17.

References

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