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TI-2007-04591 Aliases CVE-2007-4743GHSA-2pm5-h4rp-cjq3

The original patch for CVE-2007-3999 in svc_auth_gss.c in the RPCSEC_GSS RPC library in…

Priority MEDIUM 50CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
Complete · Complete · Complete
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

The 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 Kerberos administration daemon (kadmind) and other applications that use krb5, does not correctly check the buffer length in some environments and architectures, which might allow remote attackers to conduct a buffer overflow attack.

Why it matters now

EPSS 0.04615 91st percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 12

CPEVersionsRoleVendor
cpe:2.3:a:mit:kerberos_5:1.4:*:*:*:*:*:*:*1.4Vulnerablemoos-ivp
cpe:2.3:a:mit:kerberos_5:1.4.1:*:*:*:*:*:*:*1.4.1Vulnerablemoos-ivp
cpe:2.3:a:mit:kerberos_5:1.4.2:*:*:*:*:*:*:*1.4.2Vulnerablemoos-ivp
cpe:2.3:a:mit:kerberos_5:1.4.3:*:*:*:*:*:*:*1.4.3Vulnerablemoos-ivp
cpe:2.3:a:mit:kerberos_5:1.4.4:*:*:*:*:*:*:*1.4.4Vulnerablemoos-ivp
cpe:2.3:a:mit:kerberos_5:1.5:*:*:*:*:*:*:*1.5Vulnerablemoos-ivp
cpe:2.3:a:mit:kerberos_5:1.5.1:*:*:*:*:*:*:*1.5.1Vulnerablemoos-ivp
cpe:2.3:a:mit:kerberos_5:1.5.2:*:*:*:*:*:*:*1.5.2Vulnerablemoos-ivp
cpe:2.3:a:mit:kerberos_5:1.5.3:*:*:*:*:*:*:*1.5.3Vulnerablemoos-ivp
cpe:2.3:a:mit:kerberos_5:1.6:*:*:*:*:*:*:*1.6Vulnerablemoos-ivp
  • cpe:2.3:a:mit:kerberos_5:1.4:*:*:*:*:*:*:* Versions 1.4 Vulnerable ·moos-ivp
  • cpe:2.3:a:mit:kerberos_5:1.4.1:*:*:*:*:*:*:* Versions 1.4.1 Vulnerable ·moos-ivp
  • cpe:2.3:a:mit:kerberos_5:1.4.2:*:*:*:*:*:*:* Versions 1.4.2 Vulnerable ·moos-ivp
  • cpe:2.3:a:mit:kerberos_5:1.4.3:*:*:*:*:*:*:* Versions 1.4.3 Vulnerable ·moos-ivp
  • cpe:2.3:a:mit:kerberos_5:1.4.4:*:*:*:*:*:*:* Versions 1.4.4 Vulnerable ·moos-ivp
  • cpe:2.3:a:mit:kerberos_5:1.5:*:*:*:*:*:*:* Versions 1.5 Vulnerable ·moos-ivp
  • cpe:2.3:a:mit:kerberos_5:1.5.1:*:*:*:*:*:*:* Versions 1.5.1 Vulnerable ·moos-ivp
  • cpe:2.3:a:mit:kerberos_5:1.5.2:*:*:*:*:*:*:* Versions 1.5.2 Vulnerable ·moos-ivp
  • cpe:2.3:a:mit:kerberos_5:1.5.3:*:*:*:*:*:*:* Versions 1.5.3 Vulnerable ·moos-ivp
  • cpe:2.3:a:mit:kerberos_5:1.6:*:*:*:*:*:*:* Versions 1.6 Vulnerable ·moos-ivp
Show 2 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:mit:kerberos_5:1.6.1:*:*:*:*:*:*:*1.6.1Vulnerablemoos-ivp
cpe:2.3:a:mit:kerberos_5:1.6.2:*:*:*:*:*:*:*1.6.2Vulnerablemoos-ivp
  • cpe:2.3:a:mit:kerberos_5:1.6.1:*:*:*:*:*:*:* Versions 1.6.1 Vulnerable ·moos-ivp
  • cpe:2.3:a:mit:kerberos_5:1.6.2:*:*:*:*:*:*:* Versions 1.6.2 Vulnerable ·moos-ivp

Remediation

Red Hat 1 advisory

  • RHSA-2007:0892 Released 2007-09-07 · Red Hat rating Important
    krb5 security update
    • Red Hat Enterprise Linux (v. 5 server) krb5-1.5-29, krb5-devel-1.5-29, krb5-devel-1.5-29.i386 +14
    • Red Hat Enterprise Linux Desktop (v. 5 client) krb5-1.5-29, krb5-libs-1.5-29, krb5-libs-1.5-29.i386 +2
    • Red Hat Enterprise Linux Desktop Workstation (v. 5 client) krb5-1.5-29, krb5-devel-1.5-29, krb5-devel-1.5-29.i386 +2

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2007:0892
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2007:0892
Red Hat Enterprise Linux Desktop Workstation (v. 5 client)Fixed RHSA-2007:0892

Timeline

  1. 2026-10-02 Threatist record created from CVE-2007-4743
  2. 2026-10-03 Alias added: GHSA-2pm5-h4rp-cjq3

References

  • TI-2024-17421 Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/lib/gssapi/krb5/k5sealv3.c. CVSS 3.1HIGH 7.5
  • TI-2001-00539 Buffer overflow in BSD-based telnetd telnet daemon on various operating systems allows… CVSS 2.0HIGH 10.0
  • TI-2026-29130 NULL pointer dereference in moos-ivp Kerberos 5 CVSS 3.1HIGH 7.5
  • TI-2007-00929 The telnet daemon (telnetd) in MIT krb5 before 1.6.1 allows remote attackers to bypass… CVSS 2.0HIGH 10.0
  • TI-2011-00268 The process_chpw_request function in schpw.c in the password-changing functionality in… CVSS 2.0HIGH 10.0
  • TI-2001-00245 Buffer overflows in BSD-based FTP servers allows remote attackers to execute arbitrary… CVSS 2.0HIGH 10.0
See all 138 →

Sources