Is CVE-2017-11462 in the CISA KEV catalog?

No. CVE-2017-11462 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-11462?

CVE-2017-11462 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2017-11462?

CVE-2017-11462 has an EPSS score of 5.48% (92th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-11462?

Upgrade krb5 on debian 11 to 1.15.2-1 or later.

CVE & CISA-KEV Catalog

CVE-2017-11462

CRITICALEPSS 92th pctl

9.8

CVSS v3

NVD

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.

CWE-415

How to fix

Remediation Available

krb5Debian

Fixed in:1.15.2-1CVE-2017-11462

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

5.48%probability of exploitation in 30 days

92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

Patch2

Vendor Advisory1

krbdev.mit.edu

Other references1

lists.fedoraproject.org

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.