Double Free in Mit Kerberos 5

CVE-2014-4343

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.

Vulnerability class: Double Free

Published · last modified .

CVSS v2 metric

CVSS v2 base score 7.6 (High). Vector: AV:N/AC:H/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.064 (93.5th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2014-4343: held from 0.064 to 0.064.

EPSS over last 30 days · oldest: 0.064 · newest: 0.064 · change: 0.000

Affected products

Weakness classification (CWE)

References