Buffer overflow in Novell Groupwise

CVE-2011-3827

The iCalendar component in gwwww1.dll in GroupWise Internet Agent (GWIA) in Novell GroupWise 8.0 before Support Pack 3 allows remote attackers to cause a denial of service (out-of-bounds read and daemon crash) via a crafted date-time string in a .ics attachment.

Vulnerability class: Buffer Overflow

Published 2012-09-19 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.037 (89.3th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.037 · newest: 0.037 · change: 0.000

Affected products

Novell Groupwise — versions 8.0, 8.00

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

www.novell.com/support/kb/doc.php (Vendor Advisory)
secunia.com/secunia_research/2012-30/ (Vendor Advisory)
archives.neohapsis.com/archives/bugtraq/2012-09/0075.html (mailing-list)
bugzilla.novell.com/show_bug.cgi
www.securitytracker.com/id (vdb-entry)