[pcre-dev] [Bug 1780] New: Stack corruption from crafted pat…

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Tárgy: [pcre-dev] [Bug 1780] New: Stack corruption from crafted pattern
https://bugs.exim.org/show_bug.cgi?id=1780

            Bug ID: 1780
           Summary: Stack corruption from crafted pattern
           Product: PCRE
           Version: 8.38
          Hardware: x86-64
                OS: Linux
            Status: NEW
          Severity: security
          Priority: medium
         Component: Code
          Assignee: ph10@???
          Reporter: cyoung@???
                CC: pcre-dev@???


Created attachment 860
--> https://bugs.exim.org/attachment.cgi?id=860&action=edit
Crashing test case

The attached test case '29.min' (found and minimized with afl-fuzz) causes a
segfault with possible stack corruption indicated a exploitable by the GDB
exploitable plugin (https://github.com/jfoote/exploitable).

I have also attached the very long stack trace.

Reproduce with 'pcretest -b 29.min'

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