K5
Product
Kerberos 5
by MIT · last CVE Apr 28, 2026
140
CVEs
0
On KEV
9.8
Max CVSS
0
New 30D
Severity mix
Critical 6High 13Medium 13Low 3
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Add Kerberos 5 to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2007-0957
–
10%
Apr 6
Stack-based buffer overflow in the krb5_klog_syslog function in the kadm5 library, as used by the Kerberos administration daemon (kadmind) and Key Distribution Center (KDC), in…
Affected: before 1.6.1
CVE-2007-0956
–
30%
Apr 6
The telnet daemon (telnetd) in MIT krb5 before 1.6.1 allows remote attackers to bypass authentication and gain system access via a username beginning with a '-' character, a…
Affected: before 1.6.1
CVE-2006-6143
–
8%
Dec 31
The RPC library in Kerberos 5 1.4 through 1.4.4, and 1.5 through 1.5.1, as used in Kerberos administration daemon (kadmind) and other products that use this library, calls an…
Affected: 1.4; 1.4.1; 1.4.2; 1.4.3; 1.4.4; 1.5; +1 more
CVE-2006-6144
–
6%
Dec 31
The "mechglue" abstraction interface of the GSS-API library for Kerberos 5 1.5 through 1.5.1, as used in Kerberos administration daemon (kadmind) and other products that use this…
Affected: 1.5 through 1.5.1
CVE-2006-3084
–
0%
Aug 9
The (1) ftpd and (2) ksu programs in (a) MIT Kerberos 5 (krb5) up to 1.5, and 1.4.x before 1.4.4, and (b) Heimdal 0.7.2 and earlier, do not check return codes for setuid calls,…
Affected: 1.4; 1.4.1; 1.4.2; 1.4.3; 1.5
CVE-2006-3083
–
1%
Aug 9
The (1) krshd and (2) v4rcp applications in (a) MIT Kerberos 5 (krb5) up to 1.5, and 1.4.x before 1.4.4, when running on Linux and AIX, and (b) Heimdal 0.7.2 and earlier, do not…
Affected: 1.4; 1.4.1; 1.4.2; 1.4.3; 1.5
CVE-2005-1174
–
5%
Jul 18
MIT Kerberos 5 (krb5) 1.3 through 1.4.1 Key Distribution Center (KDC) allows remote attackers to cause a denial of service (application crash) via a certain valid TCP connection…
Affected: 1.3; 1.3.1; 1.3.2; 1.3.3; 1.3.4; 1.3.5; +3 more
CVE-2005-1175
–
8%
Jul 18
Heap-based buffer overflow in the Key Distribution Center (KDC) in MIT Kerberos 5 (krb5) 1.4.1 and earlier allows remote attackers to cause a denial of service (application crash)…
Affected: 1.3; 1.3.1; 1.3.2; 1.3.3; 1.3.4; 1.3.5; +3 more
CVE-2005-0488
–
17%
Jun 14
Certain BSD-based Telnet clients, including those used on Solaris and SuSE Linux, allow remote malicious Telnet servers to read sensitive environment variables via the NEW-ENVIRON…
Affected: 1.3.4
CVE-2004-0971
–
0%
Feb 9
The krb5-send-pr script in the kerberos5 (krb5) package in Trustix Secure Linux 1.5 through 2.1, and possibly other operating systems, allows local users to overwrite files via a…
Affected: 1.3.4
CVE-2004-1189
–
1%
Dec 31
The add_to_history function in svr_principal.c in libkadm5srv for MIT Kerberos 5 (krb5) up to 1.3.5, when performing a password change, does not properly track the password…
Affected: through 1.3.5
CVE-2004-0642
–
8%
Sep 28
Double free vulnerabilities in the error handling code for ASN.1 decoders in the (1) Key Distribution Center (KDC) library and (2) client library for MIT Kerberos 5 (krb5) 1.3.4…
Affected: through 1.3.4
CVE-2004-0644
–
6%
Sep 28
The asn1buf_skiptail function in the ASN.1 decoder library for MIT Kerberos 5 (krb5) 1.2.2 through 1.3.4 allows remote attackers to cause a denial of service (infinite loop) via a…
Affected: 1.2.2; 1.2.3; 1.2.4; 1.2.5; 1.2.6; 1.2.7; +7 more
CVE-2004-0643
–
9%
Sep 28
Double free vulnerability in the krb5_rd_cred function for MIT Kerberos 5 (krb5) 1.3.1 and earlier may allow local users to execute arbitrary code
Affected: through 1.3.3
CVE-2004-0523
–
12%
Aug 18
Multiple buffer overflows in krb5_aname_to_localname for MIT Kerberos 5 (krb5) 1.3.3 and earlier allow remote attackers to execute arbitrary code as root
Affected: 1.0; 1.0.6; 1.1; 1.1.1; 1.2; 1.2; +11 more
CVE-2003-0072
–
2%
Apr 2
The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm…
Affected: 1.0.6; 1.1; 1.1.1; 1.2; 1.2.1; 1.2.2; +6 more
CVE-2003-0082
–
3%
Apr 2
The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm…
Affected: 1.0.6; 1.1; 1.1.1; 1.2; 1.2.1; 1.2.2; +6 more
CVE-2003-0028
–
15%
Mar 25
Integer overflow in the xdrmem_getbytes() function, and possibly other functions, of XDR (external data representation) libraries derived from SunRPC, including libnsl, libc,…
Affected: 1.2; 1.2.1; 1.2.2; 1.2.3; 1.2.4; 1.2.5; +2 more
CVE-2003-0058
–
5%
Feb 19
MIT Kerberos V5 Key Distribution Center (KDC) before 1.2.5 allows remote authenticated attackers to cause a denial of service (crash) on KDCs within the same realm via a certain…
Affected: 1.2.1; 1.2.2; 1.2.3; 1.2.4
CVE-2003-0060
–
6%
Feb 19
Format string vulnerabilities in the logging routines for MIT Kerberos V5 Key Distribution Center (KDC) before 1.2.5 allow remote attackers to cause a denial of service (crash)…
Affected: 1.2.1; 1.2.2; 1.2.3; 1.2.4
CVE-2003-0059
–
4%
Feb 19
Unknown vulnerability in the chk_trans.c of the libkrb5 library for MIT Kerberos V5 before 1.2.5 allows users from one realm to impersonate users in other realms that have the…
Affected: 1.2.1; 1.2.2
CVE-2002-0036
–
5%
Feb 19
Integer signedness error in MIT Kerberos V5 ASN.1 decoder before krb5 1.2.5 allows remote attackers to cause a denial of service via a large unsigned data element length, which is…
Affected: 1.2.1; 1.2.2; 1.2.3; 1.2.4
CVE-2002-1235
–
15%
Nov 4
The kadm_ser_in function in (1) the Kerberos v4compatibility administration daemon (kadmind4) in the MIT Kerberos 5 (krb5) krb5-1.2.6 and earlier, (2) kadmind in KTH Kerberos 4…
Affected: 1.0 through 1.2.6
CVE-2001-0554
–
39%
Aug 14
Buffer overflow in BSD-based telnetd telnet daemon on various operating systems allows remote attackers to execute arbitrary commands via a set of options including AYT (Are You…
Affected: 1.1; 1.1.1; 1.2; 1.2.1; 1.2.2
CVE-2001-0417
–
0%
Jun 27
Kerberos 4 (aka krb4) allows local users to overwrite arbitrary files via a symlink attack on new ticket files
Affected: 1.5.2
CVE-2001-0247
–
19%
Jun 18
Buffer overflows in BSD-based FTP servers allows remote attackers to execute arbitrary commands via a long pattern string containing a {} sequence, as seen in (1) g_opendir, (2)…
Affected: 1.1.1; 1.2; 1.2.1; 1.2.2
CVE-2001-1323
–
4%
May 16
Buffer overflow in MIT Kerberos 5 (krb5) 1.2.2 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary code via base-64 encoded data, which…
Affected: before 1.2.2
CVE-2000-0514
–
3%
Jun 14
GSSFTP FTP daemon in Kerberos 5 1.1.x does not properly restrict access to some FTP commands, which allows remote attackers to cause a denial of service, and local users to gain…
Affected: 1.1; 1.1.1
CVE-2000-0547
–
3%
Jun 9
Buffer overflow in Kerberos 4 KDC program allows remote attackers to cause a denial of service via the localrealm variable in the process_v4 function
Affected: 1.0 through 1.0.7; 1.1; 1.1.1
CVE-2000-0550
–
2%
Jun 9
Kerberos 4 KDC program improperly frees memory twice (aka "double-free"), which allows remote attackers to cause a denial of service
Affected: 1.0; 1.1; 1.1.1
CVE-2000-0549
–
2%
Jun 9
Kerberos 4 KDC program does not properly check for null termination of AUTH_MSG_KDC_REQUEST requests, which allows remote attackers to cause a denial of service via a malformed…
Affected: 1.0; 1.1; 1.1.1
CVE-2000-0548
–
3%
Jun 9
Buffer overflow in Kerberos 4 KDC program allows remote attackers to cause a denial of service via the e_msg variable in the kerb_err_reply function
Affected: 1.0 through 1.0.7; 1.1; 1.1.1
CVE-2000-0546
–
3%
Jun 9
Buffer overflow in Kerberos 4 KDC program allows remote attackers to cause a denial of service via the lastrealm variable in the set_tgtkey function
Affected: 1.0 through 1.0.7; 1.1; 1.1.1
CVE-2000-0390
–
4%
May 16
Buffer overflow in krb425_conv_principal function in Kerberos 5 allows remote attackers to gain root privileges
Affected: 1.0; 1.1.1
CVE-2000-0392
–
0%
May 16
Buffer overflow in ksu in Kerberos 5 allows local users to gain root privileges
Affected: 1.0; 1.1.1
CVE-2000-0391
–
4%
May 16
Buffer overflow in krshd in Kerberos 5 allows remote attackers to gain root privileges
Affected: 1.0; 1.1.1
CVE-2000-0389
–
17%
May 16
Buffer overflow in krb_rd_req function in Kerberos 4 and 5 allows remote attackers to gain root privileges
Affected: 1.0; 1.1.1
CVE-1999-0713
–
0%
Jun 11
The dtlogin program in Compaq Tru64 UNIX allows local users to gain root privileges
Affected: All versions, or not specified
CVE-1999-1296
–
0%
Apr 29
Buffer overflow in Kerberos IV compatibility libraries as used in Kerberos V allows local users to gain root privileges via a long line in a kerberos configuration file, which can…
Affected: 1.5.2
CVE-1999-0143
–
0%
Feb 21
Kerberos 4 key servers allow a user to masquerade as another by breaking and generating session keys
Affected: All versions, or not specified
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