CVE-2014-4344
The acc_ctx_cont function in the SPNEGO acceptor in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.5.x through 1.12.x…
- 7.8HighCVSS base score
- 6.6%Exploitation in 30 daysEPSS · top 6.1% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
The acc_ctx_cont function in the SPNEGO acceptor in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.5.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an empty continuation token at a certain point during a SPNEGO negotiation.
Timeline
ID reserved
By mitre
- 55 days later
· 55 days later
Published
- 10 years later
· 10 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 6.6% · top 6.1% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
n/a
- affected n/a
References
19
- https://github.com/krb5/krb5/commit/a7886f0ed1277c69142b14a2c6629175a6331edc (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1121877 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/krb5/krb5/commit/524688ce87a15fc75f87efc8c039ba4c7d5c197b (opens in a new tab)x_refsource_CONFIRMx_transferred
- kerberos-cve20144344-dos(95210) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://aix.software.ibm.com/aix/efixes/security/nas_advisory1.asc (opens in a new tab)x_refsource_CONFIRMx_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://support.f5.com/kb/en-us/solutions/public/15000/500/sol15561.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- FEDORA-2014-8189 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 61051 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- DSA-3000 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- http://krbdev.mit.edu/rt/Ticket/Display.html?id=7970 (opens in a new tab)x_refsource_CONFIRMx_transferred
- MDVSA-2014:165 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- 69160 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 109389 (opens in a new tab)vdb-entryx_refsource_OSVDBx_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
- 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)
- EUVD EUVD-2014-4271 (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
[](https://cveledger.app/cve/CVE-2014-4344)Record last updated .