 Versions of 7-Zip prior to 18.05 contain an arbitrary code execution vulnerability in the module for extracting files from RAR archives (), a vulnerability that was fixed on 30 April 2018.Snapfiles.com in 2012 rated 7-Zip 4.5 stars out of 5, noting, "[its] interface and additional features are fairly basic, but the compression ratio is outstanding".On TechRepublic in 2009, Justin James found the detailed settings for Windows File Manager integration were "appreciated" and called the compression-decompression benchmark utility "neat".