CVE-2007-5939

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-12-06 · updated 2026-06-16
Weakness: CWE-119

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.

Affected products

heimdal: 0.7.2

References

http://bugs.gentoo.org/show_bug.cgi?id=199207
http://marc.info/?l=full-disclosure&m=119704362903699&w=2
http://osvdb.org/44750
http://securitytracker.com/id?1019057
http://www.mandriva.com/security/advisories?name=MDKSA-2007:239
http://www.securityfocus.com/bid/26758
http://bugs.gentoo.org/show_bug.cgi?id=199207
http://marc.info/?l=full-disclosure&m=119704362903699&w=2
http://osvdb.org/44750
http://securitytracker.com/id?1019057
http://www.mandriva.com/security/advisories?name=MDKSA-2007:239
http://www.securityfocus.com/bid/26758

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