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Vulnerability record · CVE-2010-1320 · published 22 April 2010

CVE-2010-1320: Mit kerberos 5 vulnerability

Mit · Kerberos 5

Double free vulnerability in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7.x and 1.8.x before 1.8.2 allows remote authenticated users to cause a denial of service (daemon crash) or possibly execute arbitrary code via a request associated with (1) renewal or (2) validation.

4.0 CVSS 2.0 Medium EPSS 12% · top 4.0% CWE-399 · CWE-399
4.0CVSS 2.0 base score
12%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
30References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Double free vulnerability in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7.x and 1.8.x before 1.8.2 allows remote authenticated users to cause a denial of service (daemon crash) or possibly execute arbitrary code via a request associated with (1) renewal or (2) validation.

AV:N/AC:L/Au:S/C:N/I:N/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=577490
http://lists.apple.com/archives/security-announce/2010//Jun/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2010-04/msg00006.html
http://secunia.com/advisories/39656
http://secunia.com/advisories/39784
http://secunia.com/advisories/40220
http://securitytracker.com/id?1023904
http://support.apple.com/kb/HT4188
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-004.txt
http://www.securityfocus.com/archive/1/510843/100/0/threaded
http://www.securityfocus.com/bid/39599 Exploit
http://www.ubuntu.com/usn/USN-940-1
http://www.vupen.com/english/advisories/2010/1001
http://www.vupen.com/english/advisories/2010/1192
http://www.vupen.com/english/advisories/2010/1481
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=577490
http://lists.apple.com/archives/security-announce/2010//Jun/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2010-04/msg00006.html
http://secunia.com/advisories/39656
http://secunia.com/advisories/39784
http://secunia.com/advisories/40220
http://securitytracker.com/id?1023904
http://support.apple.com/kb/HT4188
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-004.txt
http://www.securityfocus.com/archive/1/510843/100/0/threaded
http://www.securityfocus.com/bid/39599 Exploit
http://www.ubuntu.com/usn/USN-940-1
http://www.vupen.com/english/advisories/2010/1001
http://www.vupen.com/english/advisories/2010/1192
http://www.vupen.com/english/advisories/2010/1481

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2011-0285Mit kerberos 5 improper input validation vulnerabilityThe process_chpw_request function in schpw.c in the password-changing functionality in kadmind in MIT Kerberos 5 (aka krb5) 1.7 through 1.9 frees an …EPSS 21%10.0CVE-2009-4212Mit kerberos vulnerabilityMultiple integer underflows in the (1) AES and (2) RC4 decryption functionality in the crypto library in MIT Kerberos 5 (aka krb5) 1.3 through 1.6.3,…EPSS 7.6%10.0CVE-2009-0846Mit kerberos 5 vulnerabilityThe asn1_decode_generaltime function in lib/krb5/asn.1/asn1_decode.c in the ASN.1 GeneralizedTime decoder in MIT Kerberos 5 (aka krb5) before 1.6.4 a…EPSS 8.9%10.0CVE-2008-0947Mit kerberos 5 memory buffer overflow vulnerabilityBuffer overflow in the RPC library used by libgssrpc and kadmind in MIT Kerberos 5 (krb5) 1.4 through 1.6.3 allows remote attackers to execute arbitr…EPSS 8.8%10.0CVE-2007-5902Mit kerberos 5 vulnerabilityInteger overflow in the svcauth_gss_get_principal function in lib/rpc/svc_auth_gss.c in MIT Kerberos 5 (krb5) allows remote attackers to have an unkn…EPSS 5.9%10.0CVE-2007-4743Mit kerberos 5 memory buffer overflow vulnerabilityThe original patch for CVE-2007-3999 in svc_auth_gss.c in the RPCSEC_GSS RPC library in MIT Kerberos 5 (krb5) 1.4 through 1.6.2, as used by the Kerbe…EPSS 4.6%10.0CVE-2007-3999Mit kerberos 5 memory buffer overflow vulnerabilityStack-based buffer overflow in the svcauth_gss_validate function in lib/rpc/svc_auth_gss.c in the RPCSEC_GSS RPC library (librpcsecgss) in MIT Kerber…EPSS 11%10.0CVE-2007-2442Mit kerberos 5 vulnerabilityThe gssrpc__svcauth_gssapi function in the RPC library in MIT Kerberos 5 (krb5) 1.6.1 and earlier might allow remote attackers to execute arbitrary c…EPSS 11%

Source: NIST National Vulnerability Database (record CVE-2010-1320), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.