CVE Watch14 oct 2026

CVE-2026-107708

MIT krb5 through 1.22.2 contains a NULL pointer dereference vulnerability in the KDC's get_pac_princ_with_realm() that returns success while

CVSS

4.9

Medio

EPSS

0.5%

p44

KEV

—

Exploit Today

0-100

Publicado: 8 oct 2026 · Última mod.: 14 oct 2026 · CWE-476

EPSS · 30d

0.5%EPSS · 30 días0.5%

2026-10-092026-11-05

Descripción técnica

MIT krb5 through 1.22.2 contains a NULL pointer dereference vulnerability in the KDC's get_pac_princ_with_realm() that returns success while leaving the client principal NULL on malformed names. A malicious or compromised cross-realm trusted KDC can send an S4U2Proxy request with a PAC carrying a malformed client name to crash krb5kdc and deny authentication.

Referencias oficiales

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