VULNERABILITY INTELLIGENCE
CVE-2007-5939
CVSS score10 HIGH
EPSS probability3.80%
CISA KEVNot currently listed
Published2007-12-06
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Description
The gss_userok function in appl/ftp/ftpd/gss_userok.c in Heimdal 0.7.2 does not allocate memory for the ticketfile pointer before calling free, which allows remote attackers to have an unknown impact via an invalid username. NOTE: the vulnerability was originally reported for ftpd.c, but this is incorrect.
Weakness classification
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer