CVE-2008-0668

CVE-2008-0668 is a critical-severity vulnerability in Gnome Gnumeric with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-189.

Key facts

• Severity: Critical (CVSS 2.0 base score 9.3)
• EPSS exploit prediction: 5% (91st percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-189
• Affected product: Gnome Gnumeric
• Published: 2008-02-11
• Last modified: 2026-06-16

Description

The excel_read_HLINK function in plugins/excel/ms-excel-read.c in Gnome Office Gnumeric before 1.8.1 allows user-assisted remote attackers to execute arbitrary code via a crafted XLS file containing XLS HLINK opcodes, possibly because of an integer signedness error that leads to an integer overflow. NOTE: some of these details are obtained from third party information.

Frequently asked questions

What is CVE-2008-0668?

The excel_read_HLINK function in plugins/excel/ms-excel-read.c in Gnome Office Gnumeric before 1.8.1 allows user-assisted remote attackers to execute arbitrary code via a crafted XLS file containing XLS HLINK opcodes, possibly because of an integer signedness error that leads to an integer overflow. NOTE: some of these details are obtained from third party information.

How severe is CVE-2008-0668?

CVE-2008-0668 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2008-0668 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-0668?

CVE-2008-0668 affects Gnome Gnumeric. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-0668?

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-2008-0668 published?

CVE-2008-0668 was published on 2008-02-11 and last updated on 2026-06-16.

References

• http://bugs.gentoo.org/show_bug.cgi?id=208356
• http://bugzilla.gnome.org/show_bug.cgi?id=505330
• http://lists.opensuse.org/opensuse-security-announce/2008-08/msg00001.html
• http://secunia.com/advisories/28725/
• http://secunia.com/advisories/28799
• http://secunia.com/advisories/28948
• http://secunia.com/advisories/29702
• http://secunia.com/advisories/29896
• http://secunia.com/advisories/31339
• http://security.gentoo.org/glsa/glsa-200802-05.xml
• http://www.debian.org/security/2008/dsa-1546
• http://www.gnome.org/projects/gnumeric/announcements/1.8/gnumeric-1.8.1.shtml
• http://www.mandriva.com/security/advisories?name=MDVSA-2008:056
• http://www.securityfocus.com/bid/27536
• http://www.ubuntu.com/usn/usn-604-1
• http://www.vupen.com/english/advisories/2008/0462
• https://www.redhat.com/archives/fedora-package-announce/2008-February/msg00114.html
• https://www.redhat.com/archives/fedora-package-announce/2008-February/msg00227.html

Affected products (1)

• cpe:2.3:a:gnome:gnumeric:*:*:*:*:*:*:*:*

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