UBUNTU-CVE-2026-56148

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2026-56148
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-56148.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-56148
Upstream
Published
2026-07-02T00:00:00Z
Modified
2026-07-02T18:03:22.565907706Z
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
  • Ubuntu - medium
Summary
[none]
Details

Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to a denial of service via Excessive Allocation (CAPEC-130). An authenticated user can submit a specially crafted query that causes excessive resource consumption while the request is processed, which may render the affected node unavailable.

References

Affected packages

Ubuntu:16.04:LTS / elasticsearch

Package

Name
elasticsearch
Purl
pkg:deb/ubuntu/elasticsearch?arch=source&distro=xenial

Affected ranges

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

Affected versions

1.*
1.6.2+dfsg-1
1.7.3+dfsg-1
1.7.3+dfsg-2
1.7.3+dfsg-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "elasticsearch",
            "binary_version": "1.7.3+dfsg-3"
        },
        {
            "binary_name": "libelasticsearch1.7-java",
            "binary_version": "1.7.3+dfsg-3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-56148.json"