How severe is CVE-2021-46667?

CVE-2021-46667 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2021-46667 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-46667?

CVE-2021-46667 primarily affects Mariadb. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-46667?

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

When was CVE-2021-46667 published?

CVE-2021-46667 was published on 2022-02-01 and last updated on 2026-06-17.

CVE-2021-46667

CVE-2021-46667 is a medium-severity vulnerability in Mariadb with a CVSS 3.x base score of 5.5. 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-190.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Mariadb
Published: 2022-02-01
Last modified: 2026-06-17

Description

MariaDB before 10.6.5 has a sql_lex.cc integer overflow, leading to an application crash.

Frequently asked questions

What is CVE-2021-46667?: MariaDB before 10.6.5 has a sql_lex.cc integer overflow, leading to an application crash.
How severe is CVE-2021-46667?: CVE-2021-46667 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-46667 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-46667?: CVE-2021-46667 primarily affects Mariadb. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-46667?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-46667 published?: CVE-2021-46667 was published on 2022-02-01 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*

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