From: Aurelien David <aurelien.david@telecom-paristech.fr>
Date: Tue, 7 Feb 2023 15:01:42 +0000 (+0100)
Subject: [PATCH] load_text: prevent overflow on long lines conversion to utf8 (#2386)
X-Git-Tag: archive/raspbian/1.0.1+dfsg1-4+rpi1+deb11u3^2~12
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=415e0d79d2844f1883c41426acae5bef77c01a4f;p=gpac.git

[PATCH] load_text: prevent overflow on long lines conversion to utf8 (#2386)


Gbp-Pq: Name CVE-2023-1452.patch
---

diff --git a/src/filters/load_text.c b/src/filters/load_text.c
index 8a103f3..c8718d3 100644
--- a/src/filters/load_text.c
+++ b/src/filters/load_text.c
@@ -295,6 +295,12 @@ char *gf_text_get_utf8_line(char *szLine, u32 lineSize, FILE *txt_in, s32 unicod
 
 			szLineConv[j] = szLine[i];
 			j++;
+
+			if (j >= GF_ARRAY_LENGTH(szLineConv) - 1) {
+				GF_LOG(GF_LOG_DEBUG, GF_LOG_PARSER, ("[TXTIn] Line too long to convert to utf8 (len: %d)\n", len));
+				break;
+			}
+
 		}
                 if ( j >= GF_ARRAY_LENGTH(szLineConv) ) {
                         GF_LOG(GF_LOG_DEBUG, GF_LOG_PARSER, ("[TXTIn] Line too long to convert to utf8 (len: %d)\n", len));