CVE-2026-58224

Aliases:UBUNTU-CVE-2026-58224DEBIAN-CVE-2026-58224
Advisory lineage Upstream: 0 Downstream: 13
Analyzed
Published: 14 Aug 2026, 14:38
Last modified:31 Aug 2026, 11:34

Vulnerability Summary

Overall Risk (default)
medium
26/100
CVSS Score
6.5 MEDIUM
v3.1 (cve.org)
EPSS Score
0.29% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

14 Aug 2026, 14:38
Published
Vulnerability first disclosed
31 Aug 2026, 11:34
Last Modified
Vulnerability information updated

Description

A flaw was found in Samba's CTDB, the clustered database service used by Samba. Insufficient integrity validation of received CTDB protocol packets allows malformed packets containing invalid field lengths, improperly terminated strings, or inconsistent packet sizes to be processed without adequate bounds checking. A remote attacker with access to the CTDB private network may trigger a denial of service through process crashes or excessive memory consumption and, in limited cases, disclose adjacent memory contents.

CVSS Metrics

  • v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.29%• Percentile: 22%

Techniques & Countermeasures

  • CWE-353•Missing Support for Integrity Check

    The product uses a transmission protocol that does not include a mechanism for verifying the integrity of the data during transmission, such as a checksum.

Affected Systems

  • debian•samba

    all | all | < 2:4.22.10+dfsg-0+deb13u2 | < 2:4.24.5+dfsg-1

  • ubuntu•samba

    all | < 2:4.15.13+dfsg-0ubuntu1.13 | < 2:4.19.5+dfsg-4ubuntu9.7 | < 2:4.23.6+dfsg-1ubuntu2.2

  • redhat•enterprise_linux

    6.0 | 7.0

  • samba•samba

    ≤ 4.2

References (8)