CVE Feed

    Dashboard / CVE / CVE-2002-0036

    CVE-2002-0036

    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 later used as a negative value.

    Published:Jan 29, 2003
    Last Modified:Apr 16, 2026
    EPS:Sep 1, 2004
    EPSS Score:0.1901
    CVSS Score:5

    Affected Products

    Vendor
    Mit
    Product
    Kerberos 5
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    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

    http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000639
    http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-001-multiple.txt
    http://www.kb.cert.org/vuls/id/587579
    http://www.mandrakesoft.com/security/advisories?name=MDKSA-2003:043
    http://www.osvdb.org/4896
    http://www.redhat.com/support/errata/RHSA-2003-051.html
    http://www.redhat.com/support/errata/RHSA-2003-052.html
    http://www.redhat.com/support/errata/RHSA-2003-168.html
    http://www.securityfocus.com/bid/6713
    https://exchange.xforce.ibmcloud.com/vulnerabilities/11190
    http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000639
    http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-001-multiple.txt
    http://www.kb.cert.org/vuls/id/587579
    http://www.mandrakesoft.com/security/advisories?name=MDKSA-2003:043
    http://www.osvdb.org/4896
    http://www.redhat.com/support/errata/RHSA-2003-051.html
    http://www.redhat.com/support/errata/RHSA-2003-052.html
    http://www.redhat.com/support/errata/RHSA-2003-168.html
    http://www.securityfocus.com/bid/6713
    https://exchange.xforce.ibmcloud.com/vulnerabilities/11190

    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