LiveActive security incident?Get immediate response
CVE Record

CVE-2021-46669: MariaDB through 10.5.9 allows attackers to trigger a convert_const_to_int use-after-free when the BIGINT da...

MariaDB through 10.5.9 allows attackers to trigger a convert_const_to_int use-after-free when the BIGINT data type is used.

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

Security readout for executives and security teams

Plain-English summary

CVE-2021-46669 is a MariaDB memory-safety flaw. Sources say MariaDB through 10.5.9 can hit a use-after-free condition involving BIGINT handling. The public bundle does not provide CVSS, impact details, or active exploitation evidence, so urgency depends on where vulnerable MariaDB instances are exposed.

Executive priority

Prioritize normal security patching, escalating if MariaDB is externally reachable, business-critical, or embedded in managed products. Current evidence does not support emergency KEV-style response, but unsupported vulnerable database software remains a material operational risk.

Technical view

The issue is described as a convert_const_to_int use-after-free triggered when the BIGINT data type is used in MariaDB through 10.5.9. The provided sources do not document exploit primitives, authentication requirements, or final security impact beyond the memory-safety condition.

Likely exposure

Organizations may be exposed if they run MariaDB through 10.5.9, including downstream Fedora or Debian LTS packages, or products covered by the NetApp advisory. Internet-reachable or broadly accessible database services carry higher operational risk.

Exploitation context

The bundle marks KEV as false and provides no cited evidence of active exploitation. Sources also do not confirm a public exploit. Assume exploitation status is unproven, not actively exploited, based only on this bundle.

Researcher notes

The record is sparse: no CVSS, CWE, exploit status, or detailed impact is included. Avoid assuming remote code execution or denial of service. Focus validation on version exposure, vendor advisory mapping, and whether untrusted users can submit SQL to affected MariaDB instances.

Mitigation direction

  • Inventory MariaDB instances and confirm installed versions.
  • Upgrade affected MariaDB packages using MariaDB, OS vendor, or appliance guidance.
  • Review Fedora, Debian LTS, and NetApp advisories where applicable.
  • Restrict database access to trusted hosts and required application identities.
  • Monitor MariaDB crash, error, and unusual query activity until patched.

Validation and detection

  • Verify no MariaDB instance remains at or below 10.5.9.
  • Confirm OS package changelogs reference the relevant MariaDB security update.
  • Check NetApp advisory applicability for managed or appliance environments.
  • Review database logs for unexplained crashes or memory-related failures.
  • Document patch status, exception owners, and compensating controls.
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-2021-46669 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.