UBUNTU-CVE-2026-61893

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Source
https://ubuntu.com/security/CVE-2026-61893
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-61893.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-61893
Upstream
Published
2026-07-30T23:16:00Z
Modified
2026-08-06T03:10:23Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L CVSS Calculator
  • 6.9 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A crafted IEC 60870-5-104 I-frame with TypeID 104 (C_TS_NA_1) and an inflated object count causes TestCommand_getFromBuffer to read one byte past the end of the heap-allocated message buffer.

References

Affected packages

Ubuntu:26.04:LTS / lib60870

Package

Name
lib60870
Purl
pkg:deb/ubuntu/lib60870?arch=source&distro=resolute

Affected ranges

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

Affected versions

2.*
2.3.4-1
2.3.6-1
2.3.6-1.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "liblib60870-2",
            "binary_version": "2.3.6-1.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-61893.json"