synced 14 MIN AGO
01 Record

CVE-2026-104598

libosmo-sigtran through 2.2.1 contains an out-of-bounds read in the M3UA NOTIFY decoder in src/m3ua.c. This allows a remote attacker to obtain sensitive information.

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector

02 Description

libosmo-sigtran through 2.2.1 contains an out-of-bounds read in the M3UA NOTIFY decoder in src/m3ua.c. This allows a remote attacker to obtain sensitive information.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.23% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 14.2% of scored records. A rank, not a probability.
NVD base score
The NVD has published no score for this record
NVD CVSS vector
No NVD score to derive
NVD analysis status
Deferred. NVD last modified this record on 2026-10-27.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-10-26 00:00Z3 DAYS AGO
Last updated
2026-10-26 19:27Z2 DAYS AGO
Reserved
2026-10-02
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
No CWE assigned
Data version
5.2
Document digest
9a09fee7fe3a368b328bd36571afaa04e41a73721180564ed42443400431f204

05 Affected products

No products listed

This record names no affected vendor or product. That is common for reserved identifiers and for records whose CNA published only a narrative description.

06 References

07 Fixed in

Ubuntu 26.04 LTS

  • libosmo-sigtran
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 26.10

  • libosmo-sigtran
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.