CVE-2006-2869
CVE-2006-2869 is a critical-severity vulnerability in Alwil Avast Antivirus with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Critical (CVSS 2.0 base score 10.0)
- EPSS exploit prediction: 2% (75th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Alwil Avast Antivirus
- Published:
- Last modified:
Description
Unspecified vulnerability in the CHM unpacker in avast! before 4.7.844 has unknown impact and remote attack vectors.
Frequently asked questions
- What is CVE-2006-2869?
- Unspecified vulnerability in the CHM unpacker in avast! before 4.7.844 has unknown impact and remote attack vectors.
- How severe is CVE-2006-2869?
- CVE-2006-2869 has a CVSS 2.0 base score of 10.0, rated critical severity.
- Is CVE-2006-2869 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2006-2869?
- CVE-2006-2869 primarily affects Alwil Avast Antivirus. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2006-2869?
- 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-2006-2869 published?
- CVE-2006-2869 was published on 2006-06-06 and last updated on 2026-06-16.
References
- http://secunia.com/advisories/20387
- http://www.avast.com/eng/av4_revision_history.html
- http://www.securityfocus.com/bid/18238
- http://www.vupen.com/english/advisories/2006/2115
- https://exchange.xforce.ibmcloud.com/vulnerabilities/26927
Affected products (14)
- cpe:2.3:a:alwil:avast_antivirus:4.0:*:home:*:*:*:*:*
- cpe:2.3:a:alwil:avast_antivirus:4.0:*:pro:*:*:*:*:*
- cpe:2.3:a:alwil:avast_antivirus:4.6:*:home:*:*:*:*:*
- cpe:2.3:a:alwil:avast_antivirus:4.6:*:pro:*:*:*:*:*
- cpe:2.3:a:alwil:avast_antivirus:4.6.603:*:pro:*:*:*:*:*
- cpe:2.3:a:alwil:avast_antivirus:4.6.652:*:home:*:*:*:*:*
- cpe:2.3:a:alwil:avast_antivirus:4.6.652:*:pro:*:*:*:*:*
- cpe:2.3:a:alwil:avast_antivirus:4.6.655:*:home:*:*:*:*:*
- cpe:2.3:a:alwil:avast_antivirus:4.6.665:*:home:*:*:*:*:*
- cpe:2.3:a:alwil:avast_antivirus:4.6.665:*:pro:*:*:*:*:*
- cpe:2.3:a:alwil:avast_antivirus:4.6.691:*:home:*:*:*:*:*
- cpe:2.3:a:alwil:avast_antivirus:4.6.691:*:pro:*:*:*:*:*
- cpe:2.3:a:alwil:avast_antivirus:4.7.827:*:home:*:*:*:*:*
- cpe:2.3:a:alwil:avast_antivirus:4.7.827:*:pro:*:*:*:*:*
More vulnerabilities in Alwil Avast Antivirus
- CVE-2006-4626 — High (CVSS 7.5): Heap-based buffer overflow in alwil avast! Anti-virus Engine before 4.7.869 allows remote attackers to execute…
- CVE-2005-2385 — High (CVSS 7.5): Buffer overflow in a third-party compression library (UNACEV2.DLL), as used in avast! Antivirus Home/Professional…
- CVE-2005-1719 — High (CVSS 7.5): Unknown vulnerability in ALWIL avast! antivirus 4 (4.6.6230) and earlier, when running on Windows NT 4.0, does not…
- CVE-2006-1355 — High (CVSS 7.2): avast! Antivirus 4.6.763 and earlier sets "BUILTIN\Everyone" permissions to critical system files in the installation…
- CVE-2005-1770 — High (CVSS 7.2): Buffer overflow in the Aavmker4 device driver in Avast! Antivirus 4.6 and possibly other versions allows local users to…
- CVE-2005-3214 — Medium (CVSS 5.1): Multiple interpretation error in unspecified versions of Avast Antivirus allows remote attackers to bypass virus…