How severe is CVE-2008-6846?

CVE-2008-6846 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2008-6846 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-6846?

CVE-2008-6846 primarily affects Avast Avast Antivirus. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-6846?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2008-6846 published?

CVE-2008-6846 was published on 2009-07-02 and last updated on 2026-06-16.

CVE-2008-6846

CVE-2008-6846 is a medium-severity vulnerability in Avast Avast Antivirus with a CVSS 2.0 base score of 6.8. 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-119.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Avast Avast Antivirus
Published: 2009-07-02
Last modified: 2026-06-16

Description

Multiple stack-based buffer overflows in avast! Linux Home Edition 1.0.5, 1.0.5-1, and 1.0.8 allow remote attackers to cause a denial of service (application crash) or execute arbitrary code via a malformed (1) ISO or (2) RPM file.

Frequently asked questions

What is CVE-2008-6846?: Multiple stack-based buffer overflows in avast! Linux Home Edition 1.0.5, 1.0.5-1, and 1.0.8 allow remote attackers to cause a denial of service (application crash) or execute arbitrary code via a malformed (1) ISO or (2) RPM file.
How severe is CVE-2008-6846?: CVE-2008-6846 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2008-6846 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-6846?: CVE-2008-6846 primarily affects Avast Avast Antivirus. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-6846?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-6846 published?: CVE-2008-6846 was published on 2009-07-02 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:avast:avast_antivirus:1.0.5:-:linux_home:*:*:*:*:*
cpe:2.3:a:avast:avast_antivirus:1.0.5-1:-:linux_home:*:*:*:*:*
cpe:2.3:a:avast:avast_antivirus:1.0.8:-:linux_home:*:*:*:*:*

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