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% (89th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Avast Avast Antivirus
- Published:
- Last modified:
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% (89th 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
- http://osvdb.org/52016
- http://www.ivizsecurity.com/security-advisory-iviz-sr-08013.html
- http://www.securityfocus.com/archive/1/499080/100/0/threaded
- http://www.securityfocus.com/bid/32747
- http://www.vupen.com/english/advisories/2008/3460
- https://exchange.xforce.ibmcloud.com/vulnerabilities/47251
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:*:*:*:*:*
More vulnerabilities in Avast Avast Antivirus
- CVE-2008-5523 — Critical (CVSS 9.3): avast! antivirus 4.8.1281.0, when Internet Explorer 6 or 7 is used, allows remote attackers to bypass detection of…
- CVE-2007-2845 — Critical (CVSS 9.3): Heap-based buffer overflow in the CAB unpacker in avast! Anti-Virus Managed Client before 4.7.700 allows user-assisted…
- CVE-2007-1673 — High (CVSS 7.8): unzoo.c, as used in multiple products including AMaViS 2.4.1 and earlier, allows remote attackers to cause a denial of…
- CVE-2007-1672 — High (CVSS 7.8): avast! antivirus before 4.7.981 allows remote attackers to cause a denial of service (infinite loop) via a ZOO archive…
- CVE-2015-5662 — Medium (CVSS 6.4): Directory traversal vulnerability in Avast before 150918-0 allows remote attackers to delete or write to arbitrary…
All CVEs affecting Avast Avast Antivirus →
Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities
- CVE-2026-105285 — Critical (CVSS 10.0): A security vulnerability has been detected in Totolink A3002MU 1.0.0-B20230403.1455. This affects an unknown function…
- CVE-2026-104610 — Critical (CVSS 10.0): A security vulnerability has been detected in Tenda HG7, HG9 and HG10 300001138_en_xpon. This impacts the function…
- CVE-2026-101039 — Critical (CVSS 10.0): A vulnerability was identified in FAST FAC1900R 20190827_2.0.2. Affected by this issue is the function copy_msg_element…
- CVE-2026-96257 — Critical (CVSS 10.0): A flaw has been found in Fast FAC1203R Gigabit Edition 2.0.4. Affected by this issue is the function copy_msg_element…
- CVE-2026-94089 — Critical (CVSS 10.0): A vulnerability was determined in D-Link DIR-868L 2.01b05. This issue affects the function strcpy of the file…
- CVE-2026-94003 — Critical (CVSS 10.0): A vulnerability has been found in Comfast CF-N1-S 2.6.0.1. Impacted is the function get_css_path_from_uri of the file…