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sssd

A vulnerability in SSSD's Kerberos Credential Manager (KCM) responder allows a local user to cause a Denial of Service (DoS) by maintaining persistent connections and repeatedly storing and destroying credentials. This leads to continuous memory consumption growth due to failure to release cached objects, eventually exhausting memory and making the service unresponsive. The issue affects multiple specific versions of SSSD. The CVSS score is 5.5, indicating a medium severity impact focused on availability.

CVE-2026-104035 is a vulnerability in the SSSD Kerberos Credential Manager (KCM) responder where a local user can cause a Denial of Service by maintaining a persistent connection and repeatedly storing and destroying credentials. The service does not release cached objects from memory when credentials are removed, causing memory consumption to grow continuously until available memory is exhausted and the service becomes unresponsive. This affects numerous specific versions of SSSD as listed. The CVSS 3.1 vector is AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H, indicating local attack vector, low complexity, low privileges required, no user interaction, unchanged scope, no confidentiality or integrity impact, but high impact on availability.

A vulnerability in SSSD's Kerberos Credential Manager (KCM) responder allows a local user to cause a Denial of Service (DoS) by maintaining persistent connections and repeatedly storing and destroying credentials. This leads to continuous memory consumption growth due to failure to release cached ob

A flaw was found in SSSD. An issue in the Kerberos Credential Manager (KCM) responder allows a local user to cause a Denial of Service (DoS) by… (CVE-2026-104035)

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Threats Tagged 'ubuntu-cve-2026-104035'

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