Bug ID: 2124
Summary: Regular expression causes endless? looping in
Version: 10.23 (PCRE2)
We hit a problem with PCRE2 in combination with ClamAV. We reported this to
ClamAV first (https://bugzilla.clamav.net/show_bug.cgi?id=11831), but
apparently the issue is actually in PCRE2. The command from the ClamAV
developer was "I found it to be looping in the function pcre2_match_8()", but I
haven't tried to verify this myself.
The ClamAV debug output has this, which shows the expression that's causing the
We can easily reproduce within ClamAV, but I'm not familiar enough with PCRE2
to know how I could try to reproduce outside of that. I'm happy to try to
produce and provide exact steps if you could maybe give me a starting point for
Let me know if there's any more info that we can provide.
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