Merge pull request #10119 from kareem-wolfssl/zd21512

douzzer · web-flow · commit ed1f055116a9 · 2026-04-02T22:54:53.000-05:00
Exit MatchDomainName if pattern or string length reach 0.
diff --git a/src/internal.c b/src/internal.c
@@ -13360,6 +13360,9 @@ int MatchDomainName(const char* pattern, int patternLen, const char* str,
                 wildcardEligible = 0;
             }
 
+            if (strLen == 0)
+                return 0;
+
             /* Simple case, pattern match exactly */
             if (p != (char)XTOLOWER((unsigned char) *str))
                 return 0;

Original file line number	Diff line number	Diff line change
`@@ -13360,6 +13360,9 @@ int MatchDomainName(const char* pattern, int patternLen, const char* str,`
`13360`	`13360`	`wildcardEligible = 0;`
`13361`	`13361`	`}`
`13362`	`13362`
	`13363`	`+ if (strLen == 0)`
	`13364`	`+ return 0;`
	`13365`	`+`
`13363`	`13366`	`/* Simple case, pattern match exactly */`
`13364`	`13367`	`if (p != (char)XTOLOWER((unsigned char) *str))`
`13365`	`13368`	`return 0;`