Buffer overflow in Novell Groupwise

CVE-2011-0333

Heap-based buffer overflow in the NgwiCalVTimeZoneBody::ParseSelf function in gwwww1.dll in GroupWise Internet Agent (GWIA) in Novell GroupWise 8.0 before HP3 allows remote attackers to execute arbitrary code via a crafted TZNAME variable in a VCALENDAR attachment in an e-mail message, related to an "integer truncation error."

Vulnerability class: Buffer Overflow

Published 2011-10-08 · 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: 0.061 (93.2th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.061 · newest: 0.061 · change: 0.000

Affected products

Novell Groupwise — versions 8.0

Weakness classification (CWE)

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

References

labs.idefense.com/verisign/intelligence/2009/vulnerabilities/display.php (third-party-advisory)
secunia.com/secunia_research/2011-66/ (Vendor Advisory)
bugzilla.novell.com/show_bug.cgi
www.novell.com/support/viewContent.do (Vendor Advisory)