https://bugs.exim.org/show_bug.cgi?id=2076
Bug ID: 2076
Summary: pcre2_callout_enumerate() checks re for NULL too late
Product: PCRE
Version: 10.23 (PCRE2)
Hardware: x86
OS: Linux
Status: NEW
Severity: bug
Priority: medium
Component: Code
Assignee: p...@hermes.cam.ac.uk
Reporter: ppi...@redhat.com
CC: pcre-dev@exim.org
Created attachment 1005
--> https://bugs.exim.org/attachment.cgi?id=1005&action=edit
Fix
If SUPPORT_UNICODE is defined, re variable is dereferenced without checking re
for NULL:
#ifdef SUPPORT_UNICODE
BOOL utf = (re->overall_options & PCRE2_UTF) != 0;
#endif
if (re == NULL) return PCRE2_ERROR_NULL;
10.23 as well as SVN tip is affected. Fix is attached.
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