paweld/fpc
1
0
Fork 0
mirror of https://gitlab.com/freepascal.org/fpc/source.git synced 2025-08-17 20:49:09 +02:00
Code Issues Packages Projects Releases Wiki Activity

Avoid read past buffer end for empty source when checking for utf-8 signature

Browse Source
This commit is contained in:
Pierre Muller 2023-04-12 20:10:44 +02:00
parent 8e7572faba
commit aaf356ba9f
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
compiler/scanner.pas
View File

@ -3721,7 +3721,8 @@ type
begin begin
c:=inputpointer^; c:=inputpointer^;
{ eat utf-8 signature? } { eat utf-8 signature? }
if (ord(inputpointer^)=$ef) and if (bufsize>2) and
(ord(inputpointer^)=$ef) and
(ord((inputpointer+1)^)=$bb) and (ord((inputpointer+1)^)=$bb) and
(ord((inputpointer+2)^)=$bf) then (ord((inputpointer+2)^)=$bf) then
begin begin