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krb5: overflow when calculating ulog block size

🗓️ 13 May 2025 08:28:21Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 10 Views

Kerberos ulog overflow with propagation lets kadmind write past the iprop log end, causing denial of service.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: There is an Out-of-Bounds write vulnerability in MIT's Kerberos 5 that is shipped with IBM TXSeries for Multiplatforms (CVE-2025-24528).
29 Apr 202512:41
–ibm
IBM Security Bulletins		Security Bulletin: IBM Watson Speech Services Cartridge is vulnerable to multiple Base OS issues
28 Aug 202521:17
–ibm
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities in IBM MQ Operator and Queue manager container images
15 Jun 202513:39
–ibm
IBM Security Bulletins		Security Bulletin: Multiple security vulnerabilities in RedHat UBI affect IBM Robotic Process Automation for Cloud Pak
8 Nov 202516:02
–ibm
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities in IBM Observability with Instana (OnPrem)
21 Oct 202514:44
–ibm
IBM Security Bulletins		Security Bulletin: IBM App Connect Enterprise Certified Container UBI updates
30 Jun 202513:27
–ibm
IBM Security Bulletins		Security Bulletin: IBM Instana Observability is affected by multiple vulnerabilities within Instana Agent container image
3 Jul 202510:30
–ibm
ATTACKERKB		CVE-2025-24528
16 Jan 202600:00
–attackerkb
Tenable Nessus		Amazon Linux 2023 : krb5-devel, krb5-libs, krb5-pkinit (ALAS2023-2025-1173)
8 Sep 202500:00
–nessus
Tenable Nessus		Amazon Linux 2 : krb5, --advisory ALAS2-2025-2985 (ALAS-2025-2985)
4 Sep 202500:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9aarch64krb5-debuginfo1.21.1-6.el9krb5-debuginfo-1.21.1-6.el9.aarch64.rpm
Red Hat Enterprise Linux9i686krb5-debuginfo1.21.1-6.el9krb5-debuginfo-1.21.1-6.el9.i686.rpm
Red Hat Enterprise Linux9ppc64lekrb5-debuginfo1.21.1-6.el9krb5-debuginfo-1.21.1-6.el9.ppc64le.rpm
Red Hat Enterprise Linux9s390xkrb5-debuginfo1.21.1-6.el9krb5-debuginfo-1.21.1-6.el9.s390x.rpm
Red Hat Enterprise Linux9x86_64krb5-debuginfo1.21.1-6.el9krb5-debuginfo-1.21.1-6.el9.x86_64.rpm
Red Hat Enterprise Linux9aarch64krb5-debugsource1.21.1-6.el9krb5-debugsource-1.21.1-6.el9.aarch64.rpm
Red Hat Enterprise Linux9i686krb5-debugsource1.21.1-6.el9krb5-debugsource-1.21.1-6.el9.i686.rpm
Red Hat Enterprise Linux9ppc64lekrb5-debugsource1.21.1-6.el9krb5-debugsource-1.21.1-6.el9.ppc64le.rpm
Red Hat Enterprise Linux9s390xkrb5-debugsource1.21.1-6.el9krb5-debugsource-1.21.1-6.el9.s390x.rpm
Red Hat Enterprise Linux9x86_64krb5-debugsource1.21.1-6.el9krb5-debugsource-1.21.1-6.el9.x86_64.rpm
Rows per page

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25 Jun 2026 11:11Current
7.3High risk
Vulners AI Score7.3
CVSS 3.17.1
EPSS0.00606
SSVC
CWE-787
Kerberosulog overflowpropagationKadmindiprop logdenial of serviceunix
10