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revision 1553 by ph10, Tue Apr 28 11:36:24 2015 UTC revision 1559 by ph10, Sat May 16 11:05:40 2015 UTC
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1  ChangeLog for PCRE  ChangeLog for PCRE
2  ------------------  ------------------
3    
4    Version 8.38 xx-xxx-xxxx
5    ------------------------
6    
7    1.  If a group that contained a recursive back reference also contained a
8        forward reference subroutine call followed by a non-forward-reference
9        subroutine call, for example /.((?2)(?R)\1)()/, pcre2_compile() failed to
10        compile correct code, leading to undefined behaviour or an internally
11        detected error. This bug was discovered by the LLVM fuzzer.
12    
13    2.  Quantification of certain items (e.g. atomic back references) could cause
14        incorrect code to be compiled when recursive forward references were
15        involved. For example, in this pattern: /(?1)()((((((\1++))\x85)+)|))/.
16        This bug was discovered by the LLVM fuzzer.
17    
18    3.  A repeated conditional group whose condition was a reference by name caused
19        a buffer overflow if there was more than one group with the given name.
20        This bug was discovered by the LLVM fuzzer.
21    
22    4.  A recursive back reference by name within a group that had the same name as
23        another group caused a buffer overflow. For example:
24        /(?J)(?'d'(?'d'\g{d}))/. This bug was discovered by the LLVM fuzzer.
25    
26    30. A forward reference by name to a group whose number is the same as the
27        current group, for example in this pattern: /(?|(\k'Pm')|(?'Pm'))/, caused
28        a buffer overflow at compile time. This bug was discovered by the LLVM
29        fuzzer.
30    
31    
32  Version 8.37 28-April-2015  Version 8.37 28-April-2015
33  --------------------------  --------------------------
34    

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