CVE-2007-2443

8.3 HIGH 3% exploit odds Fix listed

What it is

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.

At a glance

Exploitability: Can be exploited from the same network segment without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 3.5% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2007-06-26 22:30 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 22:39 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 3.5% in the next 30 days (EPSS).
Severity: 8.3 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2007-06-26 22:30 UTC
Last modified: 2026-06-16 22:39 UTC
Exploit probability: 3.5% · EPSS, next 30 days
Record status: Modified

Affected

Mit Kerberos 5 ≤ 1.6.1
Debian Linux 3.1
Debian Linux 4.0
Canonical Ubuntu Linux 6.06
Canonical Ubuntu Linux 6.10
Canonical Ubuntu Linux 7.04

Attack profile CVSS 2.0 · 8.3

Attack vector: Adjacent network
Complexity: Low
Authentication: None
Confidentiality: Complete
Integrity: Complete
Availability: Complete

Raw vector

AV:A/AC:L/Au:N/C:C/I:C/A:C

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2007-2443.md and follow it. Check whether this project is affected by CVE-2007-2443. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

· More options · Status badge

Download Square Reddit

Fix and advisories

References

NVD record · CVE.org record