fribidi/SOURCES/fribidi-CVE-2022-25309.patch

31 lines
795 B
Diff

From f22593b82b5d1668d1997dbccd10a9c31ffea3b3 Mon Sep 17 00:00:00 2001
From: Dov Grobgeld <dov.grobgeld@gmail.com>
Date: Fri, 25 Mar 2022 09:09:49 +0300
Subject: [PATCH 2/4] Protected against garbage in the CapRTL encoder
---
lib/fribidi-char-sets-cap-rtl.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/lib/fribidi-char-sets-cap-rtl.c b/lib/fribidi-char-sets-cap-rtl.c
index b0c0e4a..f74e010 100644
--- a/lib/fribidi-char-sets-cap-rtl.c
+++ b/lib/fribidi-char-sets-cap-rtl.c
@@ -232,7 +232,12 @@ fribidi_cap_rtl_to_unicode (
}
}
else
- us[j++] = caprtl_to_unicode[(int) s[i]];
+ {
+ if ((int)s[i] < 0)
+ us[j++] = '?';
+ else
+ us[j++] = caprtl_to_unicode[(int) s[i]];
+ }
}
return j;
--
2.35.1