K5
Product
Kerberos 5
by MIT · last CVE Apr 28, 2026
139
CVEs
0
On KEV
9.8
Max CVSS
0
New 30D
Severity mix
Critical 6High 12Medium 13Low 3
Watch

Add Kerberos 5 to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2017-15088
9.8
8%
Nov 23
plugins/preauth/pkinit/pkinit_crypto_openssl.c in MIT Kerberos 5 (aka krb5) through 1.15.2 mishandles Distinguished Name (DN) fields, which allows remote attackers to execute…
Affected: through 1.15.2
CVE-2017-11462
9.8
5%
Sep 13
Double free vulnerability in MIT Kerberos 5 (aka krb5) allows attackers to have unspecified impact via vectors involving automatic deletion of security contexts on error
Affected: 1.14; 1.14; 1.14; 1.14; 1.14.1; 1.14.2; +7 more
CVE-2008-0062
9.8
10%
Mar 19
KDC in MIT Kerberos 5 (krb5kdc) does not set a global variable for some krb4 message types, which allows remote attackers to cause a denial of service (crash) and possibly execute…
Affected: through 1.6.3
CVE-2005-1689
9.8
11%
Jul 18
Double free vulnerability in the krb5_recvauth function in MIT Kerberos 5 (krb5) 1.4.1 and earlier allows remote attackers to execute arbitrary code via certain error conditions
Affected: through 1.4.1
CVE-2004-0772
9.8
7%
Oct 20
Double free vulnerabilities in error handling code in krb524d for MIT Kerberos 5 (krb5) 1.2.8 and earlier may allow remote attackers to execute arbitrary code
Affected: through 1.2.8
CVE-2024-37371
9.1
2%
Jun 28
In MIT Kerberos 5 (aka krb5) before 1.21.3, an attacker can cause invalid memory reads during GSS message token handling by sending message tokens with invalid length fields
Affected: before 1.21.3
CVE-2023-39975
8.8
1%
Aug 16
kdc/do_tgs_req.c in MIT Kerberos 5 (aka krb5) 1.21 before 1.21.2 has a double free that is reachable if an authenticated user can trigger an authorization-data handling failure
Affected: 1.21 before 1.21.2
CVE-2022-42898
8.8
7%
Dec 25
PAC parsing in MIT Kerberos 5 (aka krb5) before 1.19.4 and 1.20.x before 1.20.1 has integer overflows that may lead to remote code execution (in KDC, kadmind, or a GSS or Kerberos…
Affected: 1.8 before 1.19.4; 1.20; 1.20
CVE-2026-40356
7.5
1%
Apr 28
In MIT Kerberos 5 (aka krb5) before 1.22.3, there is an integer underflow and resultant out-of-bounds read if an application calls gss_accept_sec_context() on a system with a…
Affected: 1.18 before 1.22.3
CVE-2026-40355
7.5
1%
Apr 28
In MIT Kerberos 5 (aka krb5) before 1.22.3, there is a NULL pointer dereference if an application calls gss_accept_sec_context() on a system with a NegoEx mechanism registered in…
Affected: 1.18 before 1.22.3
CVE-2024-37370
7.5
1%
Jun 28
In MIT Kerberos 5 (aka krb5) before 1.21.3, an attacker can modify the plaintext Extra Count field of a confidential GSS krb5 wrap token, causing the unwrapped token to appear…
Affected: before 1.21.3
CVE-2024-26461
7.5
1%
Feb 29
Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/lib/gssapi/krb5/k5sealv3.c
Affected: 1.21.2
CVE-2022-39028
7.5
2%
Aug 30
telnetd in GNU Inetutils through 2.3, MIT krb5-appl through 1.0.3, and derivative works has a NULL pointer dereference via 0xff 0xf7 or 0xff 0xf8
Affected: through 1.0.3
CVE-2021-36222
7.5
11%
Jul 22
ec_verify in kdc/kdc_preauth_ec.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.4 and 1.19.x before 1.19.2 allows remote attackers to cause a NULL…
Affected: before 1.18.4; 1.19.0 before 1.19.2
CVE-2020-28196
7.5
4%
Nov 6
MIT Kerberos 5 (aka krb5) before 1.17.2 and 1.18.x before 1.18.3 allows unbounded recursion via an ASN.1-encoded Kerberos message because the lib/krb5/asn.1/asn1_encode.c support…
Affected: before 1.17.2; 1.18.0 before 1.18.3
CVE-2019-14844
7.5
4%
Sep 26
A flaw was found in, Fedora versions of krb5 from 1.16.1 to, including 1.17.x, in the way a Kerberos client could crash the KDC by sending one of the RFC 4556 "enctypes"
Affected: 1.16.1 through 1.17.1
CVE-2015-8630
7.5
4%
Feb 13
The (1) kadm5_create_principal_3 and (2) kadm5_modify_principal functions in lib/kadm5/srv/svr_principal.c in kadmind in MIT Kerberos 5 (aka krb5) 1.12.x and 1.13.x before 1.13.4…
Affected: 1.12; 1.12.1; 1.12.2; 1.12.3; 1.12.4; 1.12.5; +8 more
CVE-2008-0063
7.5
3%
Mar 19
The Kerberos 4 support in KDC in MIT Kerberos 5 (krb5kdc) does not properly clear the unused portion of a buffer when generating an error message, which might allow remote…
Affected: through 1.6.3
CVE-2023-36054
6.5
3%
Aug 7
lib/kadm5/kadm_rpc_xdr.c in MIT Kerberos 5 (aka krb5) before 1.20.2 and 1.21.x before 1.21.1 frees an uninitialized pointer
Affected: before 1.20.2; 1.21; 1.21
CVE-2021-37750
6.5
3%
Aug 23
The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.5 and 1.19.x before 1.19.3 has a NULL pointer dereference in kdc/do_tgs_req.c via a FAST inner body that…
Affected: before 1.18.5; 1.19.0 before 1.19.3
CVE-2017-7562
6.5
3%
Jul 26
An authentication bypass flaw was found in the way krb5's certauth interface before 1.16.1 handled the validation of client certificates
Affected: 1.0 before 1.16.1
CVE-2017-11368
6.5
2%
Aug 9
In MIT Kerberos 5 (aka krb5) 1.7 and later, an authenticated attacker can cause a KDC assertion failure by sending invalid S4U2Self or S4U2Proxy requests
Affected: 1.7; 1.7.1; 1.8; 1.8.1; 1.8.2; 1.8.3; +34 more
CVE-2016-3120
6.5
5%
Aug 1
The validate_as_request function in kdc_util.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.13.6 and 1.4.x before 1.14.3, when…
Affected: 1.13; 1.13.1; 1.13.2; 1.13.3; 1.13.4; 1.13.5; +4 more
CVE-2015-8631
6.5
5%
Feb 13
Multiple memory leaks in kadmin/server/server_stubs.c in kadmind in MIT Kerberos 5 (aka krb5) before 1.13.4 and 1.14.x before 1.14.1 allow remote authenticated users to cause a…
Affected: before 1.13.4; 1.14 before 1.14.1
CVE-2010-0629
6.5
5%
Apr 7
Use-after-free vulnerability in kadmin/server/server_stubs.c in kadmind in MIT Kerberos 5 (aka krb5) 1.5 through 1.6.3 allows remote authenticated users to cause a denial of…
Affected: 1.5 through 1.6.3
CVE-2010-4020
6.3
2%
Dec 2
MIT Kerberos 5 (aka krb5) 1.8.x through 1.8.3 does not reject RC4 key-derivation checksums, which might allow remote authenticated users to forge a (1) AD-SIGNEDPATH or (2)…
Affected: 1.8; 1.8.1; 1.8.2; 1.8.3
CVE-2024-26462
5.5
0%
Feb 29
Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/kdc/ndr.c
Affected: 1.21.2
CVE-2024-26458
5.3
1%
Feb 29
Kerberos 5 (aka krb5) 1.21.2 contains a memory leak in /krb5/src/lib/rpc/pmap_rmt.c
Affected: 1.21.2
CVE-2016-3119
5.3
40%
Mar 26
The process_db_args function in plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c in the LDAP KDB module in kadmind in MIT Kerberos 5 (aka krb5) through 1.13.4 and 1.14.x through…
Affected: 1.0; 1.0.6; 1.1; 1.1.1; 1.2; 1.2; +34 more
CVE-2015-8629
5.3
4%
Feb 13
The xdr_nullstring function in lib/kadm5/kadm_rpc_xdr.c in kadmind in MIT Kerberos 5 (aka krb5) before 1.13.4 and 1.14.x before 1.14.1 does not verify whether '\0' characters…
Affected: before 1.13.4; 1.14 before 1.14.1
CVE-2018-5729
4.7
3%
Mar 6
MIT krb5 1.6 or later allows an authenticated kadmin with permission to add principals to an LDAP Kerberos database to cause a denial of service (NULL pointer dereference) or…
Affected: 5-1.6 before 5-1.21.2
CVE-2018-5730
3.8
2%
Mar 6
MIT krb5 1.6 or later allows an authenticated kadmin with permission to add principals to an LDAP Kerberos database to circumvent a DN containership check by supplying both a…
Affected: 5-1.6 before 5-1.21.2
CVE-2010-1323
3.7
3%
Dec 2
MIT Kerberos 5 (aka krb5) 1.3.x, 1.4.x, 1.5.x, 1.6.x, 1.7.x, and 1.8.x through 1.8.3 does not properly determine the acceptability of checksums, which might allow remote attackers…
Affected: 1.3; 1.3; 1.3.1; 1.3.2; 1.3.3; 1.3.4; +20 more
CVE-2010-1324
3.7
2%
Dec 2
MIT Kerberos 5 (aka krb5) 1.7.x and 1.8.x through 1.8.3 does not properly determine the acceptability of checksums, which might allow remote attackers to forge GSS tokens, gain…
Affected: 1.7; 1.7.1; 1.8; 1.8.1; 1.8.2; 1.8.3
CVE-2015-2698
–
3%
Nov 13
The iakerb_gss_export_sec_context function in lib/gssapi/krb5/iakerb.c in MIT Kerberos 5 (aka krb5) 1.14 pre-release 2015-09-14 improperly accesses a certain pointer, which allows…
Affected: 1.14
CVE-2015-2697
–
4%
Nov 9
The build_principal_va function in lib/krb5/krb/bld_princ.c in MIT Kerberos 5 (aka krb5) before 1.14 allows remote authenticated users to cause a denial of service (out-of-bounds…
Affected: before 1.14
CVE-2015-2696
–
5%
Nov 9
lib/gssapi/krb5/iakerb.c in MIT Kerberos 5 (aka krb5) before 1.14 relies on an inappropriate context handle, which allows remote attackers to cause a denial of service (incorrect…
Affected: before 1.14
CVE-2015-2695
–
6%
Nov 9
lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) before 1.14 relies on an inappropriate context handle, which allows remote attackers to cause a denial of service…
Affected: before 1.14
CVE-2015-2694
–
3%
May 25
The kdcpreauth modules in MIT Kerberos 5 (aka krb5) 1.12.x and 1.13.x before 1.13.2 do not properly track whether a client's request has been validated, which allows remote…
Affected: 1.12; 1.12.1; 1.12.2; 1.12.3; 1.13; 1.13.1
CVE-2014-5355
–
5%
Feb 20
MIT Kerberos 5 (aka krb5) through 1.13.1 incorrectly expects that a krb5_read_message data field is represented as a string ending with a '\0' character, which allows remote…
Affected: 1.1; 1.2; 1.2.1; 1.2.2; 1.2.3; 1.2.4; +34 more
CVE-2014-9423
–
4%
Feb 19
The svcauth_gss_accept_sec_context function in lib/rpc/svc_auth_gss.c in MIT Kerberos 5 (aka krb5) 1.11.x through 1.11.5, 1.12.x through 1.12.2, and 1.13.x before 1.13.1 transmits…
Affected: 1.11; 1.11.1; 1.11.2; 1.11.3; 1.11.4; 1.11.5; +4 more
CVE-2014-9422
–
3%
Feb 19
The check_rpcsec_auth function in kadmin/server/kadm_rpc_svc.c in kadmind in MIT Kerberos 5 (aka krb5) through 1.11.5, 1.12.x through 1.12.2, and 1.13.x before 1.13.1 allows…
Affected: 1.11; 1.11.1; 1.11.2; 1.11.3; 1.11.4; 1.11.5; +4 more
CVE-2014-9421
–
6%
Feb 19
The auth_gssapi_unwrap_data function in lib/rpc/auth_gssapi_misc.c in MIT Kerberos 5 (aka krb5) through 1.11.5, 1.12.x through 1.12.2, and 1.13.x before 1.13.1 does not properly…
Affected: 1.11; 1.11.1; 1.11.2; 1.11.3; 1.11.4; 1.11.5; +4 more
CVE-2014-5352
–
6%
Feb 19
The krb5_gss_process_context_token function in lib/gssapi/krb5/process_context_token.c in the libgssapi_krb5 library in MIT Kerberos 5 (aka krb5) through 1.11.5, 1.12.x through…
Affected: 1.11; 1.11.1; 1.11.2; 1.11.3; 1.11.4; 1.11.5; +4 more
CVE-2014-5354
–
2%
Dec 16
plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c in MIT Kerberos 5 (aka krb5) 1.12.x and 1.13.x before 1.13.1, when the KDC uses LDAP, allows remote authenticated users to cause a…
Affected: 1.12; 1.12.1; 1.12.2
CVE-2014-5353
–
5%
Dec 16
The krb5_ldap_get_password_policy_from_dn function in plugins/kdb/ldap/libkdb_ldap/ldap_pwd_policy.c in MIT Kerberos 5 (aka krb5) before 1.13.1, when the KDC uses LDAP, allows…
Affected: before 1.13.1
CVE-2014-5351
–
3%
Oct 10
The kadm5_randkey_principal_3 function in lib/kadm5/srv/svr_principal.c in kadmind in MIT Kerberos 5 (aka krb5) before 1.13 sends old keys in a response to a -randkey -keepold…
Affected: 1.12.2
CVE-2014-4345
–
8%
Aug 14
Off-by-one error in the krb5_encode_krbsecretkey function in plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c in the LDAP KDB module in kadmind in MIT Kerberos 5 (aka krb5) 1.6.x…
Affected: 1.6; 1.6.1; 1.6.2; 1.7; 1.7.1; 1.8; +24 more
CVE-2014-4344
–
7%
Aug 14
The acc_ctx_cont function in the SPNEGO acceptor in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.5.x through 1.12.x before 1.12.2 allows remote attackers to…
Affected: 1.10; 1.10.1; 1.10.2; 1.10.3; 1.10.4; 1.11; +7 more
CVE-2014-4343
–
6%
Aug 14
Double free vulnerability in the init_ctx_reselect function in the SPNEGO initiator in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.10.x through 1.12.x before…
Affected: 1.10; 1.10.1; 1.10.2; 1.10.3; 1.10.4; 1.11; +7 more
Page 1 of 3 · 139 total