High severity7.7NVD Advisory· Published Dec 8, 2022· Updated Jun 17, 2026

CVE-2022-4291

Description

The aswjsflt.dll library from Avast Antivirus windows contained a potentially exploitable heap corruption vulnerability that could enable an attacker to bypass the sandbox of the application it was loaded into, if applicable. This issue was fixed in version 18.0.1478 of the Script Shield Component.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Avast\!/Script Shield
cpe:2.3:a:avast:script_shield:*:*:*:*:*:*:*:*
Range: <=18.0.1473.0
Avast\!/Script Shield Componentllm-create
Range: before 18.0.1478
Avast\!/Antivirusllm-fuzzy
Range: before 18.0.1478
NortonLifelock/Avast Antivirusv5
Range: 0

Patches

Vulnerability mechanics

References

support.norton.com/sp/static/external/tools/security-advisories.htmlnvdVendor Advisory

News mentions

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ransomware	0.000