CVE-2026-107816: MariaDB: `qc_info` plugin can do OOB reads if query contains \0
MariaDB · server
No fix listed · Affected: MariaDB server · Exploitation: not established
ExploitationNot established
Not in CISA KEV as of catalogue 2026.11.13 (13 Nov)
- In CISA KEV: not seen
- Exploited (reported): not seen
- Scanning observed: not seen
- Proof of concept public: not seen
- Not establishedNothing in the sources we check
Higher than 28% of scored CVEs
Not scored yet. NVD has not published a CVSS score.
DescriptionNVD
MariaDB server is a community developed fork of MySQL server. From 10.6.1 until 10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, and 13.0.2, the qc_info plugin could be confused by a query containing embedded null bytes. Reading information_schema.query_cache_info after such a query was cached could access data beyond the end of a heap-allocated buffer, potentially disclosing adjacent memory or crashing the server. This issue is fixed in versions 10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, and 13.0.2.
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- MariaDB
- Published
- October 2026
Coverage1 article · 1 outlet
First in our coverage: SecurityOnline, 12 Oct.
- MariaDB Fixes Nine Flaws That Could Enable Code Execution and Data TheftSecurityOnline · first in our coverage · mentions it in passing
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