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From: "@KIC-8462852" <>
Date: Sat, 17 Jun 2023 11:48:36 +0100
Subject: Fix memory leaks when parsing ARC headers
Origin: other, https://github.com/trusteddomainproject/OpenDMARC/files/11602321/opendmarc.patch.txt
Bug: https://github.com/trusteddomainproject/OpenDMARC/issues/241
---
opendmarc/opendmarc.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/opendmarc/opendmarc.c b/opendmarc/opendmarc.c
index 9317817..e53953e 100644
--- a/opendmarc/opendmarc.c
+++ b/opendmarc/opendmarc.c
@@ -2614,6 +2614,8 @@ mlfi_eom(SMFICTX *ctx)
/* parse it */
if (opendmarc_arcares_parse(hdr->hdr_value, &aar_hdr_new->arcares) != 0)
{
+ free(aar_hdr_new);
+ aar_hdr_new = NULL;
syslog(LOG_WARNING,
"%s: ignoring invalid %s header \"%s\"",
dfc->mctx_jobid, hdr->hdr_name, hdr->hdr_value);
@@ -2660,7 +2662,11 @@ mlfi_eom(SMFICTX *ctx)
/* parse it */
if (opendmarc_arcseal_parse(hdr->hdr_value, &as_hdr_new->arcseal) != 0)
+ {
+ free(as_hdr_new);
+ as_hdr_new = NULL;
continue;
+ }
if (dfc->mctx_ashead == NULL)
{
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