MEDIUMCVSS v3.1 5.5Vulnerability
CVE-2026-127101
A flaw was found in SSSD's PAM responder. A local attacker can send an authentication request without first negotiating the client protocol version. The responder dereferences a NULL protocol-version pointer and crashes, disrupting SSSD-backed authentication. Repeated crafted requests can sustain the denial of service.
Properties
- Severity
- MEDIUM
- Nvd fetched at
- 2026-11-14T00:40:25.638091+00:00
- Epss score
- 0.00107
- Cvss severity
- MEDIUM
- Cvss score
- 5.5
- Retrieved at
- 2026-11-14T00:51:03+00:00
- Last source
- FIRST EPSS
- Score
- 5.5
- Cvss version
- 3.1
- Cve id
- CVE-2026-127101
- Cvss vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- First seen by Signal
- 2026-11-12T19:59:23+00:00
- Name
- CVE-2026-127101
- Vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Published at
- 2026-11-12T18:17:41.110
- Last modified
- 2026-11-12T18:17:41.477
- Epss percentile
- 0.01175
Related Entities (1)
HAS_WEAKNESS (1)
Related research
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