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CVE-2007-5972

23
FAUCET Score

CVE-2007-5972 describes a double free vulnerability in the krb5_def_store_mkey function within MIT Kerberos 5 (krb5) version 1.5. This flaw allows a remote, authenticated attacker to potentially execute arbitrary code or cause a denial of service. With a CVSS score of 9.0, it is considered critical due to its low attack complexity and complete compromise of confidentiality, integrity, and availability. While no active exploitation, public exploit code, or significant community discussion has been observed, the vulnerability's nature and high severity warrant attention.

Impacted Technologies

VendorProductVersion(s)CPE
1.5CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:1.5:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.0HIGH

AV:N/AC:L/Au:S/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.68%
Probability of exploitation in next 30 days
EPSS Percentile
84.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0268 is in the 83rd percentile among its peer group of 17,829 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2007-5972Low

krb5: double free in kdb lib

Nov 14, 2007

References

bugs.gentoo.org / show_bug.cgi
osvdb.org / 44747
seclists.org / fulldisclosure/2007/Dec/0176.html
seclists.org / fulldisclosure/2007/Dec/0321.html
secunia.com / advisories/28636
Vendor Advisory
secunia.com / advisories/39290
secunia.com / advisories/39784
issues.rpath.com / browse/RPL-2012
ubuntu.com / usn/usn-924-1
novell.com / linux/security/advisories/suse_security_summary_report.html
securityfocus.com / bid/26750
ubuntu.com / usn/USN-940-1
vupen.com / english/advisories/2010/1192