CVE-2026-107733 SumatraPDF: Null-pointer dereference in `CmdExec` when no document tab is open

SumatraPDF is a multi-format reader for Windows. In 3.6.1 and earlier, FrameOnCommand handles CmdExec by passing a null current-tab pointer to RunWithExe, which dereferences WindowTab::filePath. A local process in the same interactive Windows session, at an integrity level greater than or equal t...

EUVD-2026-95344

fast-jwt provides fast JSON Web Token JWT implementation. Prior to 6.3.1, fast-jwt createVerifier accepts an unsigned JWT when key is an empty string or null and algorithms is a non-empty allowlist. Falsy synchronous keys bypass prepareKeyOrSecret, allowedAlgorithms remains active, hasKey is fals...

CVE-2026-107778

MIT Kerberos 5 krb5 through 1.22.2 contains a NULL pointer dereference in makecredlist in rdcred.c that allows authenticated Kerberos clients to crash services by sending mismatched KRB-CRED arrays. Attackers can send forwarded credentials with more tickets than ticketinfo entries through...

AZL-106839 CVE-2026-107778 affecting package krb5 1.21.3-5

MIT Kerberos 5 krb5 through 1.22.2 contains a NULL pointer dereference in makecredlist in rdcred.c that allows authenticated Kerberos clients to crash services by sending mismatched KRB-CRED arrays. Attackers can send forwarded credentials with more tickets than ticketinfo entries through...

DEBIAN-CVE-2026-107778

MIT Kerberos 5 krb5 through 1.22.2 contains a NULL pointer dereference in makecredlist in rdcred.c that allows authenticated Kerberos clients to crash services by sending mismatched KRB-CRED arrays. Attackers can send forwarded credentials with more tickets than ticketinfo entries through...

AZL-106836 CVE-2026-107708 affecting package krb5 1.21.3-5

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...

DEBIAN-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...

EUVD-2026-95256

MIT Kerberos 5 krb5 through 1.22.2 contains a NULL pointer dereference in makecredlist in rdcred.c that allows authenticated Kerberos clients to crash services by sending mismatched KRB-CRED arrays. Attackers can send forwarded credentials with more tickets than ticketinfo entries through...

CVE-2026-107778

MIT Kerberos 5 krb5 through 1.22.2 contains a NULL pointer dereference in makecredlist in rdcred.c that allows authenticated Kerberos clients to crash services by sending mismatched KRB-CRED arrays. Attackers can send forwarded credentials with more tickets than ticketinfo entries through...

CVE-2026-107778 MIT krb5 through 1.22.2 NULL Pointer Dereference via krb5_rd_cred()

MIT Kerberos 5 krb5 through 1.22.2 contains a NULL pointer dereference in makecredlist in rdcred.c that allows authenticated Kerberos clients to crash services by sending mismatched KRB-CRED arrays. Attackers can send forwarded credentials with more tickets than ticketinfo entries through...

CVE-2026-107778

MIT Kerberos 5 (krb5 ) versions through 1.22.2 are vulnerable to a NULL pointer dereference within the make_cred_list() function in rd_cred.c. This flaw occurs when authenticated Kerberos clients send mismatched KRB-CRED arrays, specifically by sending forwarded credentials containing more ticket...

CVE-2026-107778 MIT krb5 through 1.22.2 NULL Pointer Dereference via krb5_rd_cred()

MIT Kerberos 5 krb5 through 1.22.2 contains a NULL pointer dereference in makecredlist in rdcred.c that allows authenticated Kerberos clients to crash services by sending mismatched KRB-CRED arrays. Attackers can send forwarded credentials with more tickets than ticketinfo entries through...

CVE-2026-107778 MIT krb5 through 1.22.2 NULL Pointer Dereference via krb5_rd_cred()

MIT Kerberos 5 krb5 through 1.22.2 contains a NULL pointer dereference in makecredlist in rdcred.c that allows authenticated Kerberos clients to crash services by sending mismatched KRB-CRED arrays. Attackers can send forwarded credentials with more tickets than ticketinfo entries through...

CVE-2026-107778

MIT Kerberos 5 krb5 through 1.22.2 contains a NULL pointer dereference in makecredlist in rdcred.c that allows authenticated Kerberos clients to crash services by sending mismatched KRB-CRED arrays. Attackers can send forwarded credentials with more tickets than ticketinfo entries through...

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

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 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

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...