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Vulnerabilities / CVE-2017-11462

critical

CVE-2017-11462

krb5: Automatic sec context deletion could lead to double-free

Published Modified CWE 415
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat3.7CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

Trivy's own label is CRITICAL. Rated critical by NVD, Photon OS. Rated lower by Red Hat (low), Ubuntu (low).

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.

Affected packages and fixed versions

SourcePackageFixed in
Photon OS 1.0krb51.15.2-1.ph1
Photon OS 2.0krb51.15.2-1.ph2
debian 11krb51.15.2-1
debian 12krb51.15.2-1
debian 13krb51.15.2-1
debian 14krb51.15.2-1
debian 7krb5no fix listed
debian 8krb5no fix listed
debian 9krb5no fix listed
echokrb51.15.2-1
Red Hatkrb5, krb5-devel, krb5-libs and 6 moreno fix listed
root.io debian 12rootio-krb51.15.2-1
Show all 25 entries from 17 sources
SourcePackageFixed in
Photon OS 1.0krb51.15.2-1.ph1
Photon OS 2.0krb51.15.2-1.ph2
debian 11krb51.15.2-1
debian 12krb51.15.2-1
debian 13krb51.15.2-1
debian 14krb51.15.2-1
debian 7krb5no fix listed
debian 8krb5no fix listed
debian 9krb5no fix listed
echokrb51.15.2-1
Red Hatkrb5no fix listed
Red Hatkrb5-develno fix listed
Red Hatkrb5-libsno fix listed
Red Hatkrb5-pkinitno fix listed
Red Hatkrb5-pkinit-opensslno fix listed
Red Hatkrb5-serverno fix listed
Red Hatkrb5-server-ldapno fix listed
Red Hatkrb5-workstationno fix listed
Red Hatlibkadm5no fix listed
root.io debian 12rootio-krb51.15.2-1
root.io debian 13rootio-krb51.15.2-1
ubuntu 14.04krb51.12+dfsg-2ubuntu5.4
ubuntu 14.04-ESMkrb51.12+dfsg-2ubuntu5.4
ubuntu 16.04krb51.13.2+dfsg-5ubuntu2.1
ubuntu 16.04-ESMkrb51.13.2+dfsg-5ubuntu2.1

References

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.