python-pillow/SOURCES/CVE-2021-28677.patch
2021-11-09 09:46:11 +00:00

42 lines
1.1 KiB
Diff

From 8ad7b436649c424e22689a8a874c1b0cd7c1c0fc Mon Sep 17 00:00:00 2001
From: Lumir Balhar <lbalhar@redhat.com>
Date: Mon, 14 Jun 2021 09:22:45 +0200
Subject: [PATCH 3/5] CVE-2021-28677
---
src/PIL/EpsImagePlugin.py | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/src/PIL/EpsImagePlugin.py b/src/PIL/EpsImagePlugin.py
index b503487..5f5af15 100644
--- a/src/PIL/EpsImagePlugin.py
+++ b/src/PIL/EpsImagePlugin.py
@@ -167,12 +167,12 @@ class PSFile(object):
self.fp.seek(offset, whence)
def readline(self):
- s = self.char or b""
+ s = [self.char or b""]
self.char = None
c = self.fp.read(1)
- while c not in b"\r\n":
- s = s + c
+ while (c not in b"\r\n") and len(c):
+ s.append(c)
c = self.fp.read(1)
self.char = self.fp.read(1)
@@ -180,7 +180,7 @@ class PSFile(object):
if self.char in b"\r\n":
self.char = None
- return s.decode('latin-1')
+ return b"".join(s).decode("latin-1")
def _accept(prefix):
--
2.31.1