Skip to content
Fencer Vulns
medium 6.9

CVE-2007-5901 json

Use-after-free vulnerability in the gss_indicate_mechs function in lib/gssapi/mechglue/g_initialize.c in MIT Kerberos 5 (krb5) has unknown…

published 2007-12-06 18 y ago modified 2026-06-16 4 mo ago also EUVD-2007-5871

cvss
6.9
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits
0
none known

Summary

Use-after-free vulnerability in the gss_indicate_mechs function in lib/gssapi/mechglue/g_initialize.c in MIT Kerberos 5 (krb5) has unknown impact and attack vectors. NOTE: this might be the result of a typo in the source code.

Patch / fix

  • krb5 Debian 14, Debian 13, Debian 12 1.6.dfsg.4~beta1-1

debian advisories DEBIAN-CVE-2007-5901

  • krb5 RHEL 5 1.6.1-17.el5_1.1
  • krb5-libs RHEL 5 1.6.1-17.el5_1.1
  • krb5-server RHEL 5 1.6.1-17.el5_1.1
  • krb5-workstation RHEL 5 1.6.1-17.el5_1.1

red hat advisories RHSA-2008:0164

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2007-5901 updated

krb5: use-after-free in gssapi lib

  • Red Hat Enterprise Linux (v. 5 server) krb5 1.6.1-17.el5_1.1, krb5-libs 1.6.1-17.el5_1.1, krb5-server 1.6.1-17.el5_1.1, krb5-workstation 1.6.1-17.el5_1.1 Red Hat Enterprise Linux Desktop (v. 5 client) krb5 1.6.1-17.el5_1.1, krb5-libs 1.6.1-17.el5_1.1, krb5-server 1.6.1-17.el5_1.1, krb5-workstation 1.6.1-17.el5_1.1 Red Hat Enterprise Linux Desktop Workstation (v. 5 client) krb5 1.6.1-17.el5_1.1, krb5-libs 1.6.1-17.el5_1.1, krb5-server 1.6.1-17.el5_1.1, krb5-workstation 1.6.1-17.el5_1.1
    fixed: vendor fix RHSA-2008:0164

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.47% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • bugs.gentoo.org http://bugs.gentoo.org/show_bug.cgi?id=199214 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 6.9 AV:L/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-399 Resource Management Errors

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.