From: Mark Andrews <marka@isc.org>
Date: Sat, 24 Jan 2026 07:32:40 +0000 (+1100)
Subject: Fix isc_base64_tobuffer call for brid and hhit
X-Git-Tag: v9.18.45~4^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bf237274fc859f2f198ceab3d069b1700c9b2c7f;p=thirdparty%2Fbind9.git

Fix isc_base64_tobuffer call for brid and hhit

Zero length records were not being rejected.

(cherry picked from commit bdb9c838a82558f7b3e1bcf0b9dd7e6f1cfb9aa8)
---

diff --git a/lib/dns/rdata/generic/brid_68.c b/lib/dns/rdata/generic/brid_68.c
index ac3bbb35ae2..beded91e880 100644
--- a/lib/dns/rdata/generic/brid_68.c
+++ b/lib/dns/rdata/generic/brid_68.c
@@ -28,7 +28,7 @@ fromtext_brid(ARGS_FROMTEXT) {
 	UNUSED(options);
 	UNUSED(callbacks);
 
-	return isc_base64_tobuffer(lexer, target, -1);
+	return isc_base64_tobuffer(lexer, target, -2);
 }
 
 static isc_result_t
diff --git a/lib/dns/rdata/generic/hhit_67.c b/lib/dns/rdata/generic/hhit_67.c
index c0b57730e7b..b0eb4e9c982 100644
--- a/lib/dns/rdata/generic/hhit_67.c
+++ b/lib/dns/rdata/generic/hhit_67.c
@@ -28,7 +28,7 @@ fromtext_hhit(ARGS_FROMTEXT) {
 	UNUSED(options);
 	UNUSED(callbacks);
 
-	return isc_base64_tobuffer(lexer, target, -1);
+	return isc_base64_tobuffer(lexer, target, -2);
 }
 
 static isc_result_t