Is CVE-2007-2443 in the CISA KEV catalog?

No. CVE-2007-2443 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2007-2443?

CVE-2007-2443 has a CVSS v2 base score of 8.3 (HIGH).

What is the EPSS score for CVE-2007-2443?

CVE-2007-2443 has an EPSS score of 3.48% (88th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2007-2443?

Upgrade krb5 on debian 11 to 1.6.dfsg.1-5 or later.

CVE & CISA-KEV Catalog

CVE-2007-2443

HIGHEPSS 88th pctl

8.3

CVSS v2

NVD

Description

Integer signedness error in the gssrpc__svcauth_unix function in svc_auth_unix.c in the RPC library in MIT Kerberos 5 (krb5) 1.6.1 and earlier might allow remote attackers to execute arbitrary code via a negative length value.

How to fix

Remediation Available

krb5Debian

Fixed in:1.6.dfsg.1-5CVE-2007-2443

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

CVSS v2 Vector

No CVSS vector data available.

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

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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.