From: jeanlf <jeanlf@gpac.io>
Date: Wed, 15 Dec 2021 08:49:28 +0000 (+0100)
Subject: [PATCH] fixed #1990
X-Git-Tag: archive/raspbian/1.0.1+dfsg1-4+rpi1+deb11u3^2~51
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=7abcbb211ab4dbcdd4697a231b751da005255513;p=gpac.git

[PATCH] fixed #1990


Gbp-Pq: Name CVE-2021-45831.patch
---

diff --git a/src/scenegraph/svg_attributes.c b/src/scenegraph/svg_attributes.c
index f81c4c4..9dd078f 100644
--- a/src/scenegraph/svg_attributes.c
+++ b/src/scenegraph/svg_attributes.c
@@ -4548,7 +4548,7 @@ char *gf_svg_dump_attribute(GF_Node *elt, GF_FieldInfo *info)
 	case SVG_FontFamily_datatype:
 	{
 		SVG_FontFamily *f = (SVG_FontFamily *)info->far_ptr;
-		return gf_strdup( (f->type==SVG_FONTFAMILY_INHERIT) ? "inherit" : (const char *) f->value);
+		return gf_strdup( (!f->value || (f->type==SVG_FONTFAMILY_INHERIT)) ? "inherit" : (const char *) f->value);
 	}
 
 	case SVG_PreserveAspectRatio_datatype:
@@ -4886,7 +4886,7 @@ char *gf_svg_dump_attribute_indexed(GF_Node *elt, GF_FieldInfo *info)
 	case SVG_PointerEvents_datatype:
 		break;
 	case XMLRI_List_datatype:
-		return gf_strdup( (char *) info->far_ptr);
+		return gf_strdup(info->far_ptr ? (char *) info->far_ptr : "");
 
 	case SVG_Points_datatype:
 	{