LiveActive security incident?Get immediate response
CVE Record

CVE-2021-46667: MariaDB before 10.6.5 has a sql_lex.cc integer overflow, leading to an application crash.

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

UnknownCVSS not scoredNot KEV-listedUpdated
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2021-46667 is an availability issue in MariaDB before 10.6.5. The sources describe an integer overflow in sql_lex.cc that can make the application crash. Business impact is most likely database service interruption, not confirmed data theft or system takeover.

Executive priority

Handle as a service reliability risk. Prioritize patching where MariaDB supports production applications, shared platforms, or externally reachable services. Escalate if internal review finds affected versions on critical business systems.

Technical view

MariaDB before 10.6.5 contains an integer overflow in sql_lex.cc. The published description ties the flaw to an application crash. The bundle does not provide CVSS, CWE classification, detailed trigger conditions, or evidence of confidentiality, integrity, or code-execution impact.

Likely exposure

Exposure is most likely in self-managed MariaDB deployments older than 10.6.5, or vendor-distributed environments that include affected MariaDB packages. The source bundle also points to Fedora and NetApp advisories, so downstream packaging or embedded use should be checked through vendor channels.

Exploitation context

The source bundle does not show CISA KEV listing, active exploitation, or public weaponization. It only supports a crash outcome. Treat internet-facing, multi-tenant, or untrusted-query database paths as higher operational concern until vendor details are reviewed.

Researcher notes

Evidence is sparse: no CVSS, CWE, detailed affected matrix, or trigger description is included. The safest source-grounded conclusion is denial of service through crash in MariaDB before 10.6.5. Do not infer remote code execution or data exposure from this bundle.

Mitigation direction

  • Inventory MariaDB versions across servers, containers, appliances, and managed images.
  • Upgrade MariaDB to 10.6.5 or a vendor-supported fixed release.
  • Apply relevant Fedora package updates where MariaDB comes from Fedora repositories.
  • Check NetApp guidance for affected products that bundle or depend on MariaDB.
  • Reduce untrusted SQL access to affected databases until patched.

Validation and detection

  • Confirm all MariaDB instances report version 10.6.5 or later, or a vendor-fixed build.
  • Review package manager history for Fedora MariaDB security updates.
  • Check NetApp advisory applicability for any NetApp products in use.
  • Monitor database crash logs for unexplained MariaDB process termination.
  • Verify public or partner-facing applications cannot directly submit arbitrary SQL.
Prepared
Confidence
medium
Sources
8

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cve · low confidence lookup

CVE-2021-46667 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
7Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.