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TI-2007-02753 Aliases CVE-2007-2846GHSA-pxp4-5rm6-xqjp

Heap-based buffer overflow in the SIS unpacker in avast! Anti-Virus Managed Client before…

Priority MEDIUM 51CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
Code execution
Confidentiality · integrity · availability
Complete · Complete · Complete
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

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."

Why it matters now

EPSS 0.07738 94th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:avas\!t:avast\!_antivirus:4.6.394:*:*:*:*:*:*:*4.6.394VulnerableAvas!t
cpe:2.3:a:avast\!:avast\!_antivirus:*:*:*:*:*:*:*:*up to 4.7.652VulnerableAvast!
  • cpe:2.3:a:avas\!t:avast\!_antivirus:4.6.394:*:*:*:*:*:*:* Versions 4.6.394 Vulnerable ·Avas!t
  • cpe:2.3:a:avast\!:avast\!_antivirus:*:*:*:*:*:*:*:* Versions up to 4.7.652 Vulnerable ·Avast!

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2007-2846
  2. 2026-10-03 Alias added: GHSA-pxp4-5rm6-xqjp

References

Advisory 2

Other 4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences