CVE-2010-4326

CVE-2010-4326 is a critical-severity vulnerability in Novell Groupwise with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 10% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

• Severity: Critical (CVSS 2.0 base score 10.0)
• EPSS exploit prediction: 10% (95th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-119
• Affected product: Novell Groupwise
• Published: 2011-01-28
• Last modified: 2026-06-16

Description

Multiple buffer overflows in gwwww1.dll in GroupWise Internet Agent (GWIA) in Novell GroupWise before 8.02HP allow remote attackers to execute arbitrary code via variables in a VCALENDAR message, as demonstrated by a long (1) REQUEST-STATUS, (2) TZNAME, (3) COMMENT, or (4) RRULE variable in this message.

Frequently asked questions

What is CVE-2010-4326?

Multiple buffer overflows in gwwww1.dll in GroupWise Internet Agent (GWIA) in Novell GroupWise before 8.02HP allow remote attackers to execute arbitrary code via variables in a VCALENDAR message, as demonstrated by a long (1) REQUEST-STATUS, (2) TZNAME, (3) COMMENT, or (4) RRULE variable in this message.

How severe is CVE-2010-4326?

CVE-2010-4326 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2010-4326 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-4326?

CVE-2010-4326 primarily affects Novell Groupwise. In total, 32 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-4326?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2010-4326 published?

CVE-2010-4326 was published on 2011-01-28 and last updated on 2026-06-16.

References

• http://www.facebook.com/note.php?note_id=477865030928
• http://www.novell.com/support/viewContent.do?externalId=7007155&sliceId=1
• http://www.securityfocus.com/bid/45994
• http://www.vupen.com/english/advisories/2011/0219
• http://www.zerodayinitiative.com/advisories/ZDI-11-025/
• http://zerodayinitiative.com/advisories/ZDI-10-239/
• http://zerodayinitiative.com/advisories/ZDI-10-240/
• http://zerodayinitiative.com/advisories/ZDI-10-243/
• https://bugzilla.novell.com/show_bug.cgi?id=642339
• https://bugzilla.novell.com/show_bug.cgi?id=642340
• https://bugzilla.novell.com/show_bug.cgi?id=642345
• https://bugzilla.novell.com/show_bug.cgi?id=642349
• https://exchange.xforce.ibmcloud.com/vulnerabilities/64929

Affected products (32)

• cpe:2.3:a:novell:groupwise:*:*:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:4.1:*:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:4.1a:*:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:5.0:*:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:5.1:*:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:5.2:*:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:5.5:*:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:5.5:*:enhancement_pack:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:5.57e:*:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:6.0:*:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:6.0:sp1:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:6.0:sp5:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:6.0.1:sp1:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:6.5:*:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:6.5:sp1:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:6.5:sp2:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:6.5:sp3:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:6.5:sp4:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:6.5:sp5:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:6.5:sp6:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:6.5.2:*:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:6.5.3:*:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:6.5.4:*:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:6.5.6:*:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:6.5.7:*:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:7.0:*:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:7.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:7.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:7.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:7.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:8.0:*:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:8.0.1:*:*:*:*:*:*:*

More vulnerabilities in Novell Groupwise

• CVE-2014-0610 — Critical (CVSS 10.0): The client in Novell GroupWise before 8.0.3 HP4, 2012 before SP3, and 2014 before SP1 on Windows allows remote…
• CVE-2013-0804 — Critical (CVSS 10.0): The client in Novell GroupWise 8.0 before 8.0.3 HP2 and 2012 before SP1 HP1 allows remote attackers to execute…
• CVE-2012-0417 — Critical (CVSS 10.0): Integer overflow in GroupWise Internet Agent (GWIA) in Novell GroupWise 8.0 before Support Pack 3 and 2012 before…
• CVE-2012-0271 — Critical (CVSS 10.0): Integer overflow in the WebConsole component in gwia.exe in GroupWise Internet Agent (GWIA) in Novell GroupWise 8.0…
• CVE-2011-2663 — Critical (CVSS 10.0): Array index error in GroupWise Internet Agent (GWIA) in Novell GroupWise 8.0 before HP3 allows remote attackers to…
• CVE-2011-2662 — Critical (CVSS 10.0): Integer signedness error in GroupWise Internet Agent (GWIA) in Novell GroupWise 8.0 before HP3 allows remote attackers…

All CVEs affecting Novell Groupwise →

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

• CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…
• CVE-2026-2776 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability…
• CVE-2025-1866 — Critical (CVSS 10.0): Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows…
• CVE-2022-27625 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
• CVE-2022-27624 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
• CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →