CVE-2026-107708

MIT krb5 through 1.22.2 contains a NULL pointer dereference vulnerability in the KDC's getpacprincwithrealm 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...

CVE-2026-107708

MIT krb5 through 1.22.2 contains a NULL pointer dereference vulnerability in the KDC's getpacprincwithrealm 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...

CVE-2026-107708

The MIT krb5 library (versions through 1.22.2 ) is vulnerable to a NULL pointer dereference within the KDC's get_pac_princ_with_realm() function. The flaw occurs when the function processes an S4U2Proxy request containing a PAC with a malformed client name; the function incorrectly returns succes...

CVE-2026-107708 MIT krb5 through 1.22.2 KDC NULL Pointer Dereference via S4U2Proxy PAC

MIT krb5 through 1.22.2 contains a NULL pointer dereference vulnerability in the KDC's getpacprincwithrealm 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...

CVE-2026-107708: NULL Pointer Dereference

MIT krb5 through 1.22.2 contains a NULL pointer dereference vulnerability in the KDC's getpacprincwithrealm 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...

PT-2026-108200

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...

PT-2026-108201

Name of the Vulnerable Software and Affected Versions MIT Kerberos 5 krb5 versions prior to 1.22.3 Description A NULL pointer dereference occurs in the make cred list function within rd cred.c. Authenticated Kerberos clients can trigger this by sending mismatched KRB-CRED arrays. Specifically, an...

Astra Linux – Vulnerability in krb5

In MIT Kerberos 5 also known as krb5, prior to version 1.22.3, there was a NULL pointer dereferencing issue when an application called gssacceptseccontext on a system where the NegoEx mechanism was registered in /etc/gss/mech. An unauthenticated remote attacker could trigger this issue, causing t...

CLEANSTART-2024-HW06037 issue was discovered in MIT Kerberos 5 (aka krb5) through 1

Security vulnerability affects the krb5 package. An issue was discovered in MIT Kerberos 5 aka krb5 through 1...

CLEANSTART-2024-LS60465 issue was discovered in MIT Kerberos 5 (aka krb5) through 1

Security vulnerability affects the krb5 package. An issue was discovered in MIT Kerberos 5 aka krb5 through 1...

CLEANSTART-2024-LJ56468 plugins/preauth/pkinit/pkinit_crypto_openssl

Security vulnerability affects the krb5 package. plugins/preauth/pkinit/pkinitcryptoopenssl...

CLEANSTART-2024-EO56107 Reachable Assertion issue was discovered in the KDC in MIT Kerberos 5 (aka krb5) before 1

Security vulnerability affects the krb5 package. A Reachable Assertion issue was discovered in the KDC in MIT Kerberos 5 aka krb5 before 1...

CLEANSTART-2024-LQ59066 MIT Kerberos 5 (aka krb5) before 1

Security vulnerability affects the krb5 package. MIT Kerberos 5 aka krb5 before 1...

CLEANSTART-2024-AC14298 PAC parsing in MIT Kerberos 5 (aka krb5) before 1

CVE-2022-42898 affects multiple packages. PAC parsing in MIT Kerberos 5 aka krb5 before 1. See references for individual vulnerability details...

CLEANSTART-2024-BR37030 ec_verify in kdc/kdc_preauth_ec

Security vulnerability affects the krb5 package. ecverify in kdc/kdcpreauthec...

CLEANSTART-2024-TG46953 Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1

Security vulnerability affects the krb5 package. The Key Distribution Center KDC in MIT Kerberos 5 aka krb5 before 1...

CLEANSTART-2024-HV80786 In MIT Kerberos 5 (aka krb5) before 1

Security vulnerability affects the krb5 package. In MIT Kerberos 5 aka krb5 before 1...

CLEANSTART-2024-TH47154 In MIT Kerberos 5 (aka krb5) before 1

Security vulnerability affects the krb5 package. In MIT Kerberos 5 aka krb5 before 1...

Rocky Linux 8 [CIQ] Security Update: krb5-debuginfo / krb5-debugsource / krb5-devel / etc (crlsa-2021_1593)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20211593 advisory. krb5: unbounded recursion via an ASN.1-encoded Kerberos message in lib/krb5/asn.1/asn1encode.c may lead to DoS CVE-2020-28196 Tenable has extracted the preceding...

AlmaLinux 9.2 [TuxCare] Security Update: krb5-devel / krb5-libs / krb5-pkinit / krb5-server / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1782979178)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1782979178 advisory. - In MIT Kerberos 5 aka krb5 before 1.22.3, there is a NULL pointer dereference if an application calls gssacceptseccontext on a...