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CVE-2011-1530

The process_tgs_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos...

6.8 MediumFix available

The process_tgs_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.9 through 1.9.2 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS request that triggers an error other than the KRB5_KDB_NOENTRY error.

Exploit likelihood

2.38%Up 1.1 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 6.8

The process_tgs_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.9 through 1.9.2 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS request that triggers an error other than the KRB5_KDB_NOENTRY error.

Record
CVE-2011-1530
CVSS 2.0
6.8 MediumAV:N/AC:L/Au:S/C:N/I:N/A:C
Weakness
CWE-399
Updated
2026-11-02
CVE List No score

The process_tgs_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.9 through 1.9.2 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS request that triggers an error other than the KRB5_KDB_NOENTRY error.

Record
CVE-2011-1530
Updated
2026-11-02
EUVDEUVD-2011-1531 No score

The process_tgs_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.9 through 1.9.2 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS request that triggers an error other than the KRB5_KDB_NOENTRY error.

Record
EUVD-2011-1531
Updated
2026-11-03
GitHub AdvisoriesGHSA-3vf4-p6xq-xxr9 No score

The process_tgs_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos...

The process_tgs_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.9 through 1.9.2 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS request that triggers an error other than the KRB5_KDB_NOENTRY error.

Record
GHSA-3vf4-p6xq-xxr9
Updated
2026-11-02
OSV No score

The process_tgs_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.9 through 1.9.2 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS request that triggers an error other than the KRB5_KDB_NOENTRY error.

Record
CVE-2011-1530
Updated
2026-11-02
OSVDEBIAN-CVE-2011-1530 No score

The process_tgs_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.9 through 1.9.2 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS request that triggers an error other than the KRB5_KDB_NOENTRY error.

Record
DEBIAN-CVE-2011-1530
Updated
2026-11-02
OSVopenSUSE-SU-2024:10004-1 No score

krb5-1.15-1.1 on GA media

These are all security issues fixed in the krb5-1.15-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10004-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
krb5
Debian:12
 before 1.10+dfsg~alpha1-7
1.10+dfsg~alpha1-7
krb5
Debian:13
 before 1.10+dfsg~alpha1-7
1.10+dfsg~alpha1-7
krb5
Debian:14
 before 1.10+dfsg~alpha1-7
1.10+dfsg~alpha1-7
krb5
Red Hat:enterprise_linux:6::client
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
krb5-debuginfo
Red Hat:enterprise_linux:6::client
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
krb5-libs
Red Hat:enterprise_linux:6::client
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
krb5-pkinit-openssl
Red Hat:enterprise_linux:6::client
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
krb5-workstation
Red Hat:enterprise_linux:6::client
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
krb5-devel
Red Hat:enterprise_linux:6::client
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
krb5-server
Red Hat:enterprise_linux:6::client
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
Show 26 moreShow less
Affected packages
PackageAffectedFixed
krb5-server-ldap
Red Hat:enterprise_linux:6::client
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
krb5
Red Hat:enterprise_linux:6::computenode
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
krb5-debuginfo
Red Hat:enterprise_linux:6::computenode
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
krb5-libs
Red Hat:enterprise_linux:6::computenode
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
krb5-pkinit-openssl
Red Hat:enterprise_linux:6::computenode
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
krb5-workstation
Red Hat:enterprise_linux:6::computenode
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
krb5-devel
Red Hat:enterprise_linux:6::computenode
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
krb5-server
Red Hat:enterprise_linux:6::computenode
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
krb5-server-ldap
Red Hat:enterprise_linux:6::computenode
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
krb5
Red Hat:enterprise_linux:6::server
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
krb5-debuginfo
Red Hat:enterprise_linux:6::server
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
krb5-devel
Red Hat:enterprise_linux:6::server
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
krb5-libs
Red Hat:enterprise_linux:6::server
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
krb5-pkinit-openssl
Red Hat:enterprise_linux:6::server
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
krb5-server
Red Hat:enterprise_linux:6::server
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
krb5-server-ldap
Red Hat:enterprise_linux:6::server
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
krb5-workstation
Red Hat:enterprise_linux:6::server
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
krb5
Red Hat:enterprise_linux:6::workstation
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
krb5-debuginfo
Red Hat:enterprise_linux:6::workstation
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
krb5-devel
Red Hat:enterprise_linux:6::workstation
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
krb5-libs
Red Hat:enterprise_linux:6::workstation
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
krb5-pkinit-openssl
Red Hat:enterprise_linux:6::workstation
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
krb5-server
Red Hat:enterprise_linux:6::workstation
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
krb5-server-ldap
Red Hat:enterprise_linux:6::workstation
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
krb5-workstation
Red Hat:enterprise_linux:6::workstation
 before 0:1.9-22.el6_2.1
0:1.9-22.el6_2.1
krb5
openSUSE:Tumbleweed
From an advisory covering 54 CVEs
 before 1.15-1.1
1.15-1.1

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2011-1530 is a medium vulnerability (CVSS 6.8) in Mit Kerberos, published December 8, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.38%, the 84th percentile. Fixed in krb5 1.10+dfsg~alpha1-7.

References

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