Linux Distros Unpatched Vulnerability : CVE-2026-107778

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 ...

CVE-2026-80924

A flaw was found in the Linux kernel's Kerberos 5 krb5 cryptography module. When handling derived key buffers, the cryptokrb5prepareencryption and cryptokrb5preparechecksum functions incorrectly use kfree instead of kfreesensitive for memory deallocation. This oversight leaves sensitive key...

ROOT-OS-DEBIAN-13-CVE-2026-107778 CVE-2026-107778 in krb5 - Patched by Root

Root has patched CVE-2026-107778 in the krb5 package for Root:Debian:13. Multiple fixed versions available...

ROOT-OS-DEBIAN-13-CVE-2026-11850 CVE-2026-11850 in krb5 - Patched by Root

Root has patched CVE-2026-11850 in the krb5 package for Root:Debian:13. Multiple fixed versions available...

ROOT-OS-DEBIAN-12-CVE-2024-26461 CVE-2024-26461 in krb5 - Patched by Root

Root has patched CVE-2024-26461 in the krb5 package for Root:Debian:12. Multiple fixed versions available...

ROOT-OS-DEBIAN-12-CVE-2026-107778 CVE-2026-107778 in krb5 - Patched by Root

Root has patched CVE-2026-107778 in the krb5 package for Root:Debian:12. Multiple fixed versions available...

ROOT-OS-DEBIAN-12-CVE-2024-26458 CVE-2024-26458 in krb5 - Patched by Root

Root has patched CVE-2024-26458 in the krb5 package for Root:Debian:12. Multiple fixed versions available...

ROOT-OS-DEBIAN-12-CVE-2026-11850 CVE-2026-11850 in krb5 - Patched by Root

Root has patched CVE-2026-11850 in the krb5 package for Root:Debian:12. Multiple fixed versions available...

ROOT-OS-DEBIAN-12-CVE-2018-5709 CVE-2018-5709 in krb5 - Patched by Root

Root has patched CVE-2018-5709 in the krb5 package for Root:Debian:12. Multiple fixed versions available...

UBUNTU-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 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...

UBUNTU-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...

Rocky Linux 9.6 [TuxCare] Security Update: krb5-devel / krb5-libs / krb5-pkinit / krb5-server / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1791811122)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1791811122 advisory. - MIT krb5 through 1.22.2 contains a NULL pointer dereference vulnerability in the KDC's getpacprincwithrealm that returns success...

AlmaLinux 9.6 [TuxCare] Security Update: krb5-devel / krb5-libs / krb5-pkinit / krb5-server / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1791811122)

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1791811122 advisory. - MIT krb5 through 1.22.2 contains a NULL pointer dereference vulnerability in the KDC's getpacprincwithrealm that returns success...

Moderate: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: krb5: krb5-devel-1.22.2-10.3.hum1 aarch64, s390x, x8664 krb5-libs-1.22.2-10.3.hum1 aarch64, s390x, x8664 krb5-pkinit-1.22.2-10.3.hum1 aarch64, s390x, x8664 krb5-server-1.22.2-10.3.hum1 aarch64,...

krb5: krb5: Denial of Service via crafted forwarded credentials

A flaw was found in krb5. An authenticated remote attacker can cause a Denial of Service DoS by sending specially crafted forwarded credentials containing mismatched credential entries. This improper handling triggers a null pointer dereference, causing the service to crash and become unavailable...

krb5: krb5: Denial of Service via malformed PAC in S4U2Proxy requests

A flaw was found in krb5. This vulnerability allows a compromised or malicious cross-realm trusted Key Distribution Center KDC to cause a Denial of Service DoS. By sending an S4U2Proxy delegation request containing a malformed client name within a Privilege Attribute Certificate PAC, an attacker...

SUSE 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...

SUSE 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...