https://bugs.exim.org/show_bug.cgi?id=2048
Bug ID: 2048
Summary: another infinite loop in pcre_exec.c
Product: PCRE
Version: 8.40
Hardware: x86-64
OS: Linux
Status: NEW
Severity: bug
Priority: medium
Component: Code
Assignee: ph10@???
Reporter: ago@???
CC: pcre-dev@???
Created attachment 988
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https://bugs.exim.org/attachment.cgi?id=988&action=edit
stacktrace
Hello,
I found an infinite loop through fuzzing.
IMPORTANT:
I don't know if it can be closed as a duplicate of 2047, the stacktrace seems
to point to a different line but they can have the same root cause.
It was tested on version 8.40, compiled with clang-3.9.1
Since pcre_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/00199-pcre-infiniteloop2
( I know that is preferable attach reproducer here, but this link won't expire
in the future )
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