What is CVE-2004-1289?

CVE-2004-1289 is a vulnerability in Pcal. Published 2005-01-10.

Is CVE-2004-1289 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Pcal

CVE-2004-1289

Multiple buffer overflows in (1) the getline function in pcalutil.c and (2) the get_holiday function in readfile.c for pcal 4.7.1 allow remote attackers to execute arbitrary code via a crafted calendar file.

Published 2005-01-10 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 10.0 (High). Vector: AV:N/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: 0.147 (96.7th percentile), scored 2026-10-25.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.147 · newest: 0.147 · change: 0.000

Affected products

Pcal — versions 4.1.0, 4.3.0, 4.5.0

Public proof-of-concept exploits

References

tigger.uic.edu/~jlongs2/holes/pcal.txt (Exploit, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/18552 (vdb-entry)

Frequently asked questions

What is CVE-2004-1289?: CVE-2004-1289 is a vulnerability in Pcal. Published 2005-01-10.
Is CVE-2004-1289 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.