UBUNTU-CVE-2026-1849

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Source
https://ubuntu.com/security/CVE-2026-1849
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1849.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-1849
Upstream
Published
2026-02-10T19:15:00Z
Modified
2026-02-28T06:17:43.391436Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • 7.1 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

MongoDB Server may experience an out-of-memory failure while evaluating expressions that produce deeply nested documents. The issue arises in recursive functions because the server does not periodically check the depth of the expression.

References

Affected packages

Ubuntu:Pro:18.04:LTS / mongodb

Package

Name
mongodb
Purl
pkg:deb/ubuntu/mongodb@1:3.6.3-0ubuntu1.4+esm1?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1:3.*
1:3.4.7-1
1:3.4.7-1ubuntu1
1:3.4.7-1ubuntu2
1:3.4.7-1ubuntu4
1:3.4.14-3ubuntu1
1:3.4.14-3ubuntu2
1:3.6.3-0ubuntu1
1:3.6.3-0ubuntu1.1
1:3.6.3-0ubuntu1.3
1:3.6.3-0ubuntu1.4
1:3.6.3-0ubuntu1.4+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:3.6.3-0ubuntu1.4+esm1",
            "binary_name": "mongodb"
        },
        {
            "binary_version": "1:3.6.3-0ubuntu1.4+esm1",
            "binary_name": "mongodb-clients"
        },
        {
            "binary_version": "1:3.6.3-0ubuntu1.4+esm1",
            "binary_name": "mongodb-server"
        },
        {
            "binary_version": "1:3.6.3-0ubuntu1.4+esm1",
            "binary_name": "mongodb-server-core"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1849.json"

Ubuntu:20.04:LTS / mongodb

Package

Name
mongodb
Purl
pkg:deb/ubuntu/mongodb@1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1:3.*
1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu2
1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5
1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.2
1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3",
            "binary_name": "mongodb"
        },
        {
            "binary_version": "1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3",
            "binary_name": "mongodb-clients"
        },
        {
            "binary_version": "1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3",
            "binary_name": "mongodb-server"
        },
        {
            "binary_version": "1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3",
            "binary_name": "mongodb-server-core"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1849.json"