Double free vulnerability in the init_ctx_reselect function in the SPNEGO initiator in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5…

Description

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 1.12.2 allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via network traffic that appears to come from an intended acceptor, but specifies a security mechanism different from the one proposed by the initiator.

Scores

EPSS (exploitation in 30 days)

6.4% · top 6.3% of all CVEs (6 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.6.

Weakness

• n/a
• CWE-415 (opens in a new tab)All about CWE-415 and its CVEs

Affected products

• n/a

  • affected n/a

References (18)

• https://github.com/krb5/krb5/commit/f18ddf5d82de0ab7591a36e465bc24225776940f (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://aix.software.ibm.com/aix/efixes/security/nas_advisory1.asc (opens in a new tab)x_refsource_CONFIRMx_transferred
• 61052 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• RHSA-2015:0439 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• 60448 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://krbdev.mit.edu/rt/Ticket/Display.html?id=7969 (opens in a new tab)x_refsource_CONFIRMx_transferred
• FEDORA-2014-8189 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• http://support.f5.com/kb/en-us/solutions/public/15000/500/sol15553.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• 69159 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• DSA-3000 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• GLSA-201412-53 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• 109390 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
• kerberos-cve20144343-dos(95211) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• 1030706 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• 60082 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://advisories.mageia.org/MGASA-2014-0345.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://bugzilla.redhat.com/show_bug.cgi?id=1121876 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 59102 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2014-4343](https://trackcve.app/badge/CVE-2014-4343.svg)](https://trackcve.app/cve/CVE-2014-4343)

Record last updated 6 Aug 2024, 11:12 UTC.