diff --git a/private/pkg/storage/storagearchive/storagearchive.go b/private/pkg/storage/storagearchive/storagearchive.go
index 3f78a2b1d5..0dbf58917d 100644
--- a/private/pkg/storage/storagearchive/storagearchive.go
+++ b/private/pkg/storage/storagearchive/storagearchive.go
@@ -22,6 +22,7 @@ import (
 	"fmt"
 	"io"
 	"math"
+	"strings"
 
 	"github.com/bufbuild/buf/private/pkg/normalpath"
 	"github.com/bufbuild/buf/private/pkg/storage"
@@ -109,6 +110,19 @@ func Untar(
 		if tarHeader.Size < 0 {
 			return fmt.Errorf("invalid size for tar file %s: %d", tarHeader.Name, tarHeader.Size)
 		}
+		if strings.HasPrefix(tarHeader.FileInfo().Name(), "._") {
+			// When creating tar archives using libarchive on macOS, extended
+			// attributes on files will be stored as an AppleDouble file with
+			// a prefix of "._". These entries must be omitted in processing.
+			// This concession is accepted under the following reasoning:
+			// 1. Filename is the only distinctive property of these entries.
+			// 2. Protobuf IDL files prefixed with ._ are extremely uncommon.
+			// 3. Multiple passes through the archive header are undesirable.
+			// If this proves to be too obtrusive, we can use multiple passes
+			// and possibly use PAXHeaders to precisely exclude only relevant
+			// attribute files without omitting all files prefixed with "._".
+			continue
+		}
 		path, ok, err := unmapArchivePath(tarHeader.Name, mapper, stripComponentCount)
 		if err != nil {
 			return err