CVE-2017-11462

9.8 CRITICAL

Published: September 13, 2017 Modified: May 13, 2026

Description

Double free vulnerability in MIT Kerberos 5 (aka krb5) allows attackers to have unspecified impact via vectors involving automatic deletion of security contexts on error.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://krbdev.mit.edu/rt/Ticket/Display.html?id=8598

Source: cve@mitre.org

Vendor Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=1488873

Source: cve@mitre.org

Issue Tracking Patch Third Party Advisory VDB Entry

https://github.com/krb5/krb5/commit/56f7b1bc95a2a3eeb420e069e7655fb181ade5cf

Source: cve@mitre.org

Patch Third Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2FPRUP4YVOEBGEROUYWZFEQ64HTMGNED/

Source: cve@mitre.org

http://krbdev.mit.edu/rt/Ticket/Display.html?id=8598

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=1488873

Source: af854a3a-2127-422b-91ae-364da2661108

Issue Tracking Patch Third Party Advisory VDB Entry

https://github.com/krb5/krb5/commit/56f7b1bc95a2a3eeb420e069e7655fb181ade5cf

Source: af854a3a-2127-422b-91ae-364da2661108

Patch Third Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2FPRUP4YVOEBGEROUYWZFEQ64HTMGNED/

Source: af854a3a-2127-422b-91ae-364da2661108

8 reference(s) from NVD

Quick Stats

CVSS v3 Score

9.8 / 10.0

EPSS (Exploit Probability)

5.5%

92th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-415

Affected Vendors

fedoraproject mit

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