fix: prevent issue by nil checking value before usage

d-Rickyy-b · d-Rickyy-b · commit a138ff8598de · 2026-04-03T14:33:33.000+02:00
diff --git a/internal/certificatetransparency/ct-parser.go b/internal/certificatetransparency/ct-parser.go
@@ -103,7 +103,7 @@ func parseCertificateChain(logEntry *ct.LogEntry) ([]models.LeafCert, error) {
 
 	for i, chainEntry := range logEntry.Chain {
 		myCert, parseErr := x509.ParseCertificate(chainEntry.Data)
-		if parseErr != nil {
+		if parseErr != nil || myCert == nil {
 			log.Println("Error parsing certificate: ", parseErr)
 			return nil, parseErr
 		}

Original file line number	Diff line number	Diff line change
`@@ -103,7 +103,7 @@ func parseCertificateChain(logEntry *ct.LogEntry) ([]models.LeafCert, error) {`
`103`	`103`
`104`	`104`	`for i, chainEntry := range logEntry.Chain {`
`105`	`105`	`myCert, parseErr := x509.ParseCertificate(chainEntry.Data)`
`106`		`- if parseErr != nil {`
	`106`	`+ if parseErr != nil \|\| myCert == nil {`
`107`	`107`	`log.Println("Error parsing certificate: ", parseErr)`
`108`	`108`	`return nil, parseErr`
`109`	`109`	`}`