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Bug 1340110 - (CVE-2016-5041) CVE-2016-5041 libdwarf: Null pointer dereference in _dwarf_file_name_is_full_path()
CVE-2016-5041 libdwarf: Null pointer dereference in _dwarf_file_name_is_full_...
Status: CLOSED WONTFIX
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
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Assigned To: Red Hat Product Security
impact=low,public=20160504,reported=2...
: Security
Depends On:
Blocks:
  Show dependency tree / graph
 
Reported: 2016-05-26 09:16 EDT by Andrej Nemec
Modified: 2016-05-26 09:42 EDT (History)
2 users (show)

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Last Closed: 2016-05-26 09:42:53 EDT
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Description Andrej Nemec 2016-05-26 09:16:29 EDT 
A vulnerability was found in libdwarf. If no DW_AT_name is present in a debugging information entry using DWARF5 macros a null dereference in dwarf_macro5.c will crash the application. 

References:

http://seclists.org/oss-sec/2016/q2/393

External references:

https://www.prevanders.net/dwarfbug.html

Upstream fix:

https://sourceforge.net/p/libdwarf/code/ci/98a3da1e8237fe0d45b67ef77f3fa5ed9ff0215f
Comment 1 Tom Hughes 2016-05-26 09:19:04 EDT 
Already fixed in Fedora.
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