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CVE-2026-1847

Medium priority
Vulnerable

Inserting certain large documents into a replica set could lead to replica set secondaries not being able to fetch the oplog from the primary. This could stall replication inside the replica set leading to server crash.

1 affected package

mongodb

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mongodb Not in release Not in release Vulnerable Vulnerable
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CVE-2026-25612

Medium priority
Vulnerable

The internal locking mechanism of the MongoDB server uses an internal encoding of the resources in order to choose what lock to take. Collections may inadvertently collide with one another in this representation...

1 affected package

mongodb

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mongodb Not in release Not in release Vulnerable Vulnerable
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CVE-2026-25611

High priority
Vulnerable

A series of specifically crafted, unauthenticated messages can exhaust available memory and crash a MongoDB server.

1 affected package

mongodb

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mongodb Not in release Not in release Vulnerable Vulnerable
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CVE-2025-14911

Medium priority
Not affected

User-controlled chunkSize metadata from MongoDB lacks appropriate validation allowing malformed GridFS metadata to overflow the bounding container.

1 affected package

mongodb

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mongodb Not in release Not in release Not affected Not affected
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CVE-2026-21968

Medium priority

Some fixes available 4 of 15

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.44, 8.4.0-8.4.7 and 9.0.0-9.5.0. Easily exploitable vulnerability allows low privileged...

11 affected packages

mysql-5.5, mysql-5.7, mysql-8.0, mysql-8.4, mariadb...

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mysql-5.5 Not in release Not in release
mysql-5.7 Not in release Not in release Ignored
mysql-8.0 Fixed Fixed Fixed
mysql-8.4 Not in release Not in release
mariadb Needs evaluation Not in release
mariadb-10.0 Not in release Not in release
mariadb-10.1 Not in release Not in release Needs evaluation
mariadb-10.3 Not in release Not in release Ignored
mariadb-10.6 Not in release Needs evaluation
percona-xtradb-cluster-5.6 Not in release Not in release
percona-server-5.6 Not in release Not in release
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CVE-2026-21965

Medium priority
Needs evaluation

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Pluggable Auth). Supported versions that are affected are 9.0.0-9.5.0. Easily exploitable vulnerability allows high privileged attacker with network...

11 affected packages

mysql-5.5, mysql-5.7, mysql-8.0, mysql-8.4, mariadb...

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mysql-5.5 Not in release Not in release
mysql-5.7 Not in release Not in release Ignored
mysql-8.0 Not affected Not affected Not affected
mysql-8.4 Not in release Not in release
mariadb Needs evaluation Not in release
mariadb-10.0 Not in release Not in release
mariadb-10.1 Not in release Not in release Needs evaluation
mariadb-10.3 Not in release Not in release Ignored
mariadb-10.6 Not in release Needs evaluation
percona-xtradb-cluster-5.6 Not in release Not in release
percona-server-5.6 Not in release Not in release
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CVE-2026-21964

Medium priority

Some fixes available 4 of 15

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Thread Pooling). Supported versions that are affected are 8.0.0-8.0.44, 8.4.0-8.4.7 and 9.0.0-9.5.0. Easily exploitable vulnerability allows high...

11 affected packages

mysql-5.5, mysql-5.7, mysql-8.0, mysql-8.4, mariadb...

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mysql-5.5 Not in release Not in release
mysql-5.7 Not in release Not in release Ignored
mysql-8.0 Fixed Fixed Fixed
mysql-8.4 Not in release Not in release
mariadb Needs evaluation Not in release
mariadb-10.0 Not in release Not in release
mariadb-10.1 Not in release Not in release Needs evaluation
mariadb-10.3 Not in release Not in release Ignored
mariadb-10.6 Not in release Needs evaluation
percona-xtradb-cluster-5.6 Not in release Not in release
percona-server-5.6 Not in release Not in release
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CVE-2026-21952

Medium priority
Needs evaluation

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Parser). Supported versions that are affected are 9.0.0-9.5.0. Easily exploitable vulnerability allows high privileged attacker with network access via...

11 affected packages

mysql-5.5, mysql-5.7, mysql-8.0, mysql-8.4, mariadb...

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mysql-5.5 Not in release Not in release
mysql-5.7 Not in release Not in release Ignored
mysql-8.0 Not affected Not affected Not affected
mysql-8.4 Not in release Not in release
mariadb Needs evaluation Not in release
mariadb-10.0 Not in release Not in release
mariadb-10.1 Not in release Not in release Needs evaluation
mariadb-10.3 Not in release Not in release Ignored
mariadb-10.6 Not in release Needs evaluation
percona-xtradb-cluster-5.6 Not in release Not in release
percona-server-5.6 Not in release Not in release
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CVE-2026-21950

Medium priority
Needs evaluation

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 9.0.0-9.5.0. Easily exploitable vulnerability allows low privileged attacker with network access...

11 affected packages

mysql-5.5, mysql-5.7, mysql-8.0, mysql-8.4, mariadb...

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mysql-5.5 Not in release Not in release
mysql-5.7 Not in release Not in release Ignored
mysql-8.0 Not affected Not affected Not affected
mysql-8.4 Not in release Not in release
mariadb Needs evaluation Not in release
mariadb-10.0 Not in release Not in release
mariadb-10.1 Not in release Not in release Needs evaluation
mariadb-10.3 Not in release Not in release Ignored
mariadb-10.6 Not in release Needs evaluation
percona-xtradb-cluster-5.6 Not in release Not in release
percona-server-5.6 Not in release Not in release
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CVE-2026-21949

Medium priority
Needs evaluation

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 9.0.0-9.5.0. Easily exploitable vulnerability allows low privileged attacker with network access...

11 affected packages

mysql-5.5, mysql-5.7, mysql-8.0, mysql-8.4, mariadb...

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mysql-5.5 Not in release Not in release
mysql-5.7 Not in release Not in release Ignored
mysql-8.0 Not affected Not affected Not affected
mysql-8.4 Not in release Not in release
mariadb Needs evaluation Not in release
mariadb-10.0 Not in release Not in release
mariadb-10.1 Not in release Not in release Needs evaluation
mariadb-10.3 Not in release Not in release Ignored
mariadb-10.6 Not in release Needs evaluation
percona-xtradb-cluster-5.6 Not in release Not in release
percona-server-5.6 Not in release Not in release
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