CVE-2006-3123

CVE-2006-3123 is a low-severity vulnerability in Matt Blaze Cryptographic File System with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Multiple integer overflows in the (1) dodecrypt and (2) doencrypt functions in cfs_fh.c in cfsd in Matt Blaze Cryptographic File System (CFS) 1.4.1 before Debian GNU/Linux package 1.4.1-17 allow local users to cause a denial of service (daemon crash) by appending data to a file that is larger than 2 Gb.

Frequently asked questions

What is CVE-2006-3123?
Multiple integer overflows in the (1) dodecrypt and (2) doencrypt functions in cfs_fh.c in cfsd in Matt Blaze Cryptographic File System (CFS) 1.4.1 before Debian GNU/Linux package 1.4.1-17 allow local users to cause a denial of service (daemon crash) by appending data to a file that is larger than 2 Gb.
How severe is CVE-2006-3123?
CVE-2006-3123 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2006-3123 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-3123?
CVE-2006-3123 affects Matt Blaze Cryptographic File System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-3123?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-3123 published?
CVE-2006-3123 was published on 2006-08-07 and last updated on 2026-06-16.

References

Affected products (1)