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    CVE-2005-1174

    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 that causes a free of unallocated memory.

    Published:Jul 12, 2005
    Last Modified:Apr 16, 2026
    EPS:Jul 16, 2005
    EPSS Score:0.40925
    CVSS Score:5

    Affected Products

    Vendor
    Mit
    Product
    Kerberos 5
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-40356 (CVSS 5.9) — In MIT Kerberos 5 (aka krb5) before 1.22.3, there is an integer underflow and resultant out-of-bounds read if …
    CVE-2026-40355 (CVSS 5.9) — In MIT Kerberos 5 (aka krb5) before 1.22.3, there is a NULL pointer dereference if an application calls gss_ac…
    CVE-2024-37370 (CVSS 7.5) — In MIT Kerberos 5 (aka krb5) before 1.21.3, an attacker can modify the plaintext Extra Count field of a confid…
    CVE-2024-37371 (CVSS 9.1) — In MIT Kerberos 5 (aka krb5) before 1.21.3, an attacker can cause invalid memory reads during GSS message toke…
    CVE-2024-26462 (CVSS 5.5) — Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/kdc/ndr.c.…
    CVE-2024-26461 (CVSS 7.5) — Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/lib/gssapi/krb5/k5sealv3.c.…
    CVE-2024-26458 (CVSS 5.3) — Kerberos 5 (aka krb5) 1.21.2 contains a memory leak in /krb5/src/lib/rpc/pmap_rmt.c.…
    CVE-2025-24528 (CVSS 7.1) — In MIT Kerberos 5 (aka krb5) before 1.22 (with incremental propagation), there is an integer overflow for a la…
    CVE-2023-39975 (CVSS 8.8) — 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 aut…
    CVE-2023-36054 (CVSS 6.5) — 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 uninitia…

    References

    ftp://patches.sgi.com/support/free/security/advisories/20050703-01-U.asc
    http://lists.apple.com/archives/security-announce/2005//Aug/msg00001.html
    http://lists.apple.com/archives/security-announce/2005/Aug/msg00000.html
    http://marc.info/?l=bugtraq&m=112122123211974&w=2
    http://secunia.com/advisories/16041
    http://secunia.com/advisories/17899
    http://secunia.com/advisories/20364
    http://securitytracker.com/id?1014460
    http://sunsolve.sun.com/search/document.do?assetkey=1-26-101809-1
    http://web.mit.edu/kerberos/advisories/2005-002-patch_1.4.1.txt
    http://www-1.ibm.com/support/docview.wss?uid=swg1IY85474
    http://www.debian.org/security/2005/dsa-757
    http://www.kb.cert.org/vuls/id/259798
    http://www.novell.com/linux/security/advisories/2005_17_sr.html
    http://www.redhat.com/support/errata/RHSA-2005-567.html
    http://www.securityfocus.com/bid/14240
    http://www.trustix.org/errata/2005/0036
    http://www.turbolinux.com/security/2005/TLSA-2005-78.txt
    http://www.vupen.com/english/advisories/2005/1066
    http://www.vupen.com/english/advisories/2006/2074
    https://exchange.xforce.ibmcloud.com/vulnerabilities/21327
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10229
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A397
    https://usn.ubuntu.com/224-1/
    ftp://patches.sgi.com/support/free/security/advisories/20050703-01-U.asc
    http://lists.apple.com/archives/security-announce/2005//Aug/msg00001.html
    http://lists.apple.com/archives/security-announce/2005/Aug/msg00000.html
    http://marc.info/?l=bugtraq&m=112122123211974&w=2
    http://secunia.com/advisories/16041
    http://secunia.com/advisories/17899
    http://secunia.com/advisories/20364
    http://securitytracker.com/id?1014460
    http://sunsolve.sun.com/search/document.do?assetkey=1-26-101809-1
    http://web.mit.edu/kerberos/advisories/2005-002-patch_1.4.1.txt
    http://www-1.ibm.com/support/docview.wss?uid=swg1IY85474
    http://www.debian.org/security/2005/dsa-757
    http://www.kb.cert.org/vuls/id/259798
    http://www.novell.com/linux/security/advisories/2005_17_sr.html
    http://www.redhat.com/support/errata/RHSA-2005-567.html
    http://www.securityfocus.com/bid/14240
    http://www.trustix.org/errata/2005/0036
    http://www.turbolinux.com/security/2005/TLSA-2005-78.txt
    http://www.vupen.com/english/advisories/2005/1066
    http://www.vupen.com/english/advisories/2006/2074
    https://exchange.xforce.ibmcloud.com/vulnerabilities/21327
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10229
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A397
    https://usn.ubuntu.com/224-1/

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High