CVE-2026-35549

Q: What is the severity of CVE-2026-35549?

CVE-2026-35549 has a high severity rating due to its potential to crash the MariaDB server.

Q: How do I fix CVE-2026-35549?

To fix CVE-2026-35549, update your MariaDB Server to version 11.4.10, 11.8.6, or 12.2.2 or later.

Q: Which versions of MariaDB are affected by CVE-2026-35549?

CVE-2026-35549 affects MariaDB Server versions before 11.4.10, 11.8.6, and 12.2.2.

Q: What is the impact of CVE-2026-35549 on user accounts?

If the caching_sha2_password authentication plugin is used, a large packet can cause the server to crash.

Q: Can CVE-2026-35549 be exploited remotely?

Yes, CVE-2026-35549 can potentially be exploited remotely if the affected versions are used with misconfigured user accounts.

Published Apr 3, 2026

Updated

An issue was discovered in MariaDB Server before 11.4.10, 11.5.x through 11.8.x before 11.8.6, and 12.x before 12.2.2. If the caching_sha2_password authentication plugin is installed, and some user accounts are configured to use it, a large packet can crash the server because sha256_crypt_r uses alloca.

Affected Software

1 affected component

MariaDB MariaDB Server>=11.4.0<11.4.10, >=11.5.0<11.8.6, >=12.0.0<12.2.2

Event History

Apr 3, 2026

CVE Published

via MITRE·05:00 AM

Data Sourced

via MITRE·05:00 AM

DescriptionSeverityWeakness

Data Sourced

via NVD·05:16 AM

DescriptionSeverityWeakness

Frequently Asked Questions

What is the severity of CVE-2026-35549?

CVE-2026-35549 has a high severity rating due to its potential to crash the MariaDB server.

How do I fix CVE-2026-35549?

To fix CVE-2026-35549, update your MariaDB Server to version 11.4.10, 11.8.6, or 12.2.2 or later.

Which versions of MariaDB are affected by CVE-2026-35549?

CVE-2026-35549 affects MariaDB Server versions before 11.4.10, 11.8.6, and 12.2.2.

What is the impact of CVE-2026-35549 on user accounts?

If the caching_sha2_password authentication plugin is used, a large packet can cause the server to crash.

Can CVE-2026-35549 be exploited remotely?

Yes, CVE-2026-35549 can potentially be exploited remotely if the affected versions are used with misconfigured user accounts.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

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