From 7b464ab882fc024e4dbdf29fc912852a7ae8337f Mon Sep 17 00:00:00 2001
From: ragusaa <54862477+ragusaa@users.noreply.github.com>
Date: Tue, 19 Apr 2022 18:46:27 -0400
Subject: [PATCH] Fix small leak when loading invalid FTM signatures

Resolves: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=43844
---
 libclamav/matcher-ac.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libclamav/matcher-ac.c b/libclamav/matcher-ac.c
index 5399eab58..02bebf32b 100644
--- a/libclamav/matcher-ac.c
+++ b/libclamav/matcher-ac.c
@@ -2294,6 +2294,7 @@ inline static int ac_addspecial_add_alt_node(const char *subexpr, uint8_t sigopt
                 newnode->unique = 0;
                 ins->unique     = 0;
             } else if (wild == 0) { /* duplicate */
+                MPOOL_FREE(root->mempool, newnode->str);
                 MPOOL_FREE(root->mempool, newnode);
                 return CL_SUCCESS;
             }