CVE-2007-2846
HIGH · CVSS 9.3EPSS 7.7%EU EUVD
Heap-based buffer overflow in the SIS unpacker in avast! Anti-Virus Managed Client before 4.7.700 allows user-assisted remote attackers to execute arbitrary code via a crafted SIS archive, resulting from an "integer cast around."
Key facts
- CVSS score
- 9.3 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C- Weakness (CWE)
- CWE-119
- EPSS score
- 7.7% (95th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2007-2838)
- Published
- May 24, 2007
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2007-2838 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- avas!t / avast! antivirus
- avast! / avast! antivirus
References
- http://marc.info/?l=full-disclosure&m=118007660813710&w=2
- http://osvdb.org/36522
- http://www.avast.com/eng/adnm-management-client-revision-history.html
- http://www.kb.cert.org/vuls/id/125868(US Government Resource)
- http://www.nruns.com/advisories/%5Bn.runs-SA-2007.009%5D%20-%20Avast%21%20Antivirus%20SIS%20parsing%20Arbitrary%20Code%20Execution%20Advisory.txt
- http://www.securityfocus.com/archive/1/469585/100/0/threaded
- http://www.securityfocus.com/bid/24155
- http://www.vupen.com/english/advisories/2007/1935(Vendor Advisory)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/34501
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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