HIGHCVSS v3.1 7.5Vulnerability

CVE-2026-121956

FreeRDP before 3.32.2 contains a double free in the WinPR Kerberos SSPI retrieveSomeTgt function, which installs the krb5 default realm into a target principal that has an empty realm without taking ownership of it. Unauthenticated remote clients can send a crafted NLA/CredSSP u2u TGT request whose server-name component contains '@' to corrupt the heap and crash the server process.

Properties

Severity
HIGH
Nvd fetched at
2026-11-04T17:37:42.865599+00:00
Cvss severity
HIGH
Cvss score
7.5
Retrieved at
2026-11-04T17:38:51+00:00
Score
7.5
Cvss version
3.1
Last source
NVD
Cve id
CVE-2026-121956
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
First seen by Signal
2026-11-04T17:38:51+00:00
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published at
2026-11-04T16:17:48.250
Last modified
2026-11-04T16:17:48.377

Related Entities (1)

HAS_WEAKNESS (1)

→[Weakness]Double Free

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CVE-2026-121956 (CVSS v3.1 7.5) — Ninja Signal Threat Intelligence | Ninja Signal