UBUNTU-CVE-2026-124586

Source
https://ubuntu.com/security/CVE-2026-124586
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-124586.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-124586
Upstream
Published
2026-11-09T00:00:00Z
Modified
2026-11-10T02:50:22Z
Severity
  • 7.3 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L CVSS Calculator
  • 5.5 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A vulnerability was determined in Tencent RapidJSON 1.1.0. Impacted is the function GetCachedPowerByIndex in the library include/rapidjson/internal/diyfp.h. This manipulation of the argument decimalPosition causes out-of-bounds read. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

References

Affected packages

Ubuntu:26.04:LTS
rapidjson

Package

Name
rapidjson
Purl
pkg:deb/ubuntu/rapidjson?arch=source&distro=resolute

Affected ranges

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

Affected versions

1.*
1.1.0+dfsg2-7.3ubuntu1
1.1.0+dfsg2-7.6ubuntu1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "rapidjson-dev",
            "binary_version": "1.1.0+dfsg2-7.6ubuntu1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-124586.json"
Ubuntu:26.10
rapidjson

Package

Name
rapidjson
Purl
pkg:deb/ubuntu/rapidjson?arch=source&distro=stonking

Affected ranges

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

Affected versions

1.*
1.1.0+dfsg2-7.6ubuntu1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "rapidjson-dev",
            "binary_version": "1.1.0+dfsg2-7.6ubuntu1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-124586.json"
Ubuntu:Pro:16.04:LTS
rapidjson

Package

Name
rapidjson
Purl
pkg:deb/ubuntu/rapidjson?arch=source&distro=esm-apps%2Fxenial

Affected ranges

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

Affected versions

0.*
0.12~git20141031-3
0.12~git20141031-3ubuntu0.1~esm1
0.12~git20141031-3ubuntu0.1~esm2

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "rapidjson-dev",
            "binary_version": "0.12~git20141031-3ubuntu0.1~esm2"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-124586.json"
Ubuntu:Pro:18.04:LTS
rapidjson

Package

Name
rapidjson
Purl
pkg:deb/ubuntu/rapidjson?arch=source&distro=esm-apps%2Fbionic

Affected ranges

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

Affected versions

0.*
0.12~git20141031+dfsg-1
1.*
1.1.0+dfsg2-3
1.1.0+dfsg2-3ubuntu0.1~esm1
1.1.0+dfsg2-3ubuntu0.1~esm2

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "rapidjson-dev",
            "binary_version": "1.1.0+dfsg2-3ubuntu0.1~esm2"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-124586.json"
Ubuntu:Pro:20.04:LTS
rapidjson

Package

Name
rapidjson
Purl
pkg:deb/ubuntu/rapidjson?arch=source&distro=esm-apps%2Ffocal

Affected ranges

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

Affected versions

1.*
1.1.0+dfsg2-5
1.1.0+dfsg2-5ubuntu1
1.1.0+dfsg2-5ubuntu1+esm1
1.1.0+dfsg2-5ubuntu1+esm2

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "rapidjson-dev",
            "binary_version": "1.1.0+dfsg2-5ubuntu1+esm2"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-124586.json"
Ubuntu:Pro:22.04:LTS
rapidjson

Package

Name
rapidjson
Purl
pkg:deb/ubuntu/rapidjson?arch=source&distro=esm-apps%2Fjammy

Affected ranges

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

Affected versions

1.*
1.1.0+dfsg2-7
1.1.0+dfsg2-7ubuntu0.1~esm1
1.1.0+dfsg2-7ubuntu0.1~esm2

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "rapidjson-dev",
            "binary_version": "1.1.0+dfsg2-7ubuntu0.1~esm2"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-124586.json"
Ubuntu:Pro:24.04:LTS
rapidjson

Package

Name
rapidjson
Purl
pkg:deb/ubuntu/rapidjson?arch=source&distro=esm-apps%2Fnoble

Affected ranges

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

Affected versions

1.*
1.1.0+dfsg2-7.1
1.1.0+dfsg2-7.2
1.1.0+dfsg2-7.2ubuntu0.1~esm1
1.1.0+dfsg2-7.2ubuntu0.1~esm2

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "rapidjson-dev",
            "binary_version": "1.1.0+dfsg2-7.2ubuntu0.1~esm2"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-124586.json"