Vulnerability in FreeBSD

CVE-2001-1034

Format string vulnerability in Hylafax on FreeBSD allows local users to execute arbitrary code via format specifiers in the -h hostname argument for (1) faxrm or (2) faxalter.

Published 2001-09-23 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 7.2 (High). Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.005 (38.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

FreeBSD — versions 4.4

References

exchange.xforce.ibmcloud.com/vulnerabilities/7164 (vdb-entry)
www.securityfocus.com/archive/1/215984 (mailing-list)
www.securityfocus.com/bid/3357 (vdb-entry, Vendor Advisory)