CVE-2008-6846

Avast Antivirus vulnerability

CVSS

6.8

EPSS

3.7%

EPSS pct

89th

Exploited

No known

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.

Affected vendor

Avast

Affected product

Avast Antivirus

CVSS vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Weakness type (CWE)

CWE-119 — Improper Restriction of Operations within Memory Bounds

Published

2009-07-02

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 3.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2008-6846

Confirm whether Avast Avast Antivirus is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2008-6846.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2008-6846

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2008-6846 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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