https://bugs.exim.org/show_bug.cgi?id=2049
Bug ID: 2049
Summary: infinite loop in pcre_dfa_exec.c
Product: PCRE
Version: 8.40
Hardware: x86-64
OS: Linux
Status: NEW
Severity: bug
Priority: medium
Component: Code
Assignee: p...@hermes.cam.ac.uk
Reporter: a...@gentoo.org
CC: pcre-dev@exim.org
Created attachment 989
--> https://bugs.exim.org/attachment.cgi?id=989&action=edit
stacktrace
Hello,
I found an infinite loop through fuzzing.
It was tested on version 8.40, compiled with clang-3.9.1
I don't know if it is related to 2047 and 2048.
Since pcre_dfa_exec.c is part of the library, you can consider this as a
security bug and change the severity.
Output, included stacktrace in attachment.
Command to reproduce:
# pcretest -16 -d $FILE
Reproducer:
https://github.com/asarubbo/poc/blob/master/00200-pcre-infiniteloop3
( I know that is preferable attach reproducer here, but this link won't expire
in the future )
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