Is CVE-2008-0063 in the CISA KEV catalog?

No. CVE-2008-0063 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2008-0063?

CVE-2008-0063 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2008-0063?

CVE-2008-0063 has an EPSS score of 3.48% (88th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2008-0063?

Upgrade krb5 on debian 11 to 1.6.dfsg.3~beta1-4 or later.

CVE & CISA-KEV Catalog

CVE-2008-0063

HIGHEPSS 88th pctl

7.5

CVSS v3

NVD

Description

The Kerberos 4 support in KDC in MIT Kerberos 5 (krb5kdc) does not properly clear the unused portion of a buffer when generating an error message, which might allow remote attackers to obtain sensitive information, aka "Uninitialized stack values."

CWE-908

How to fix

Remediation Available

krb5Debian

Fixed in:1.6.dfsg.3~beta1-4CVE-2008-0063

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

3.48%probability of exploitation in 30 days

88thpercentile

Elevated risk: more likely to be exploited than 88% of all known CVEs.

References

Related Vulnerabilities

Other CWE-908 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2023-24941	Critical	9.8	95%	-	Fix
CVE-2007-1751	High	9.3	61%	-	-
CVE-2008-0081	Critical	9.8	58%	-	-
CVE-2020-1934	Medium	5.3	52%	-	Fix
CVE-2011-1255	High	9.3	42%	-	-

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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 2026-04-23.