fix(gost/debian): show all severities that appeared (#1914)

models/vulninfos.go

@@ -560,15 +560,29 @@ func (v VulnInfo) Cvss3Scores() (values []CveContentCvss) {
 		if conts, found := v.CveContents[ctype]; found {
 			for _, cont := range conts {
 				if cont.Cvss3Severity != "" {
-					values = append(values, CveContentCvss{
-						Type: ctype,
-						Value: Cvss{
-							Type:                 CVSS3,
-							Score:                severityToCvssScoreRoughly(cont.Cvss3Severity),
-							CalculatedBySeverity: true,
-							Severity:             strings.ToUpper(cont.Cvss3Severity),
-						},
-					})
+					switch ctype {
+					case DebianSecurityTracker: // Multiple Severities(sorted) may be listed, and the largest one is used.
+						ss := strings.Split(cont.Cvss3Severity, "|")
+						values = append(values, CveContentCvss{
+							Type: ctype,
+							Value: Cvss{
+								Type:                 CVSS3,
+								Score:                severityToCvssScoreRoughly(ss[len(ss)-1]),
+								CalculatedBySeverity: true,
+								Severity:             strings.ToUpper(cont.Cvss3Severity),
+							},
+						})
+					default:
+						values = append(values, CveContentCvss{
+							Type: ctype,
+							Value: Cvss{
+								Type:                 CVSS3,
+								Score:                severityToCvssScoreRoughly(cont.Cvss3Severity),
+								CalculatedBySeverity: true,
+								Severity:             strings.ToUpper(cont.Cvss3Severity),
+							},
+						})
+					}
 				}
 			}
 		}

models/vulninfos_test.go

@@ -698,6 +698,26 @@ func TestCvss3Scores(t *testing.T) {
 				},
 			},
 		},
+		// [2] Multiple Severities in Debian Security Tracker
+		{
+			in: VulnInfo{
+				CveContents: CveContents{
+					DebianSecurityTracker: []CveContent{{
+						Type:          DebianSecurityTracker,
+						Cvss3Severity: "not yet assigned|low",
+					}},
+				},
+			},
+			out: []CveContentCvss{{
+				Type: DebianSecurityTracker,
+				Value: Cvss{
+					Type:                 CVSS3,
+					Score:                3.9,
+					CalculatedBySeverity: true,
+					Severity:             "NOT YET ASSIGNED|LOW",
+				},
+			}},
+		},
 		// Empty
 		{
 			in:  VulnInfo{},