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Bug 1635896 - (CVE-2018-17942) CVE-2018-17942 gnulib: heap-based buffer overflow in convert_to_decimal function in vasnprintf.c
CVE-2018-17942 gnulib: heap-based buffer overflow in convert_to_decimal funct...
Status: NEW
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=20180919,reported=2...
: Security
Depends On: 1635897 1635898 1635900 1638198 1635899 1639770
Blocks: 1635901
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Reported: 2018-10-03 16:56 EDT by Laura Pardo
Modified: 2018-10-16 10:50 EDT (History)
38 users (show)

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Description Laura Pardo 2018-10-03 16:56:56 EDT 
A flaw was found in Gnulib before 2018-09-23. The convert_to_decimal function in vasnprintf.c has a heap-based buffer overflow because memory is not allocated for a trailing '\0' character during %f processing.


References:
https://savannah.gnu.org/bugs/?func=detailitem&item_id=54686
https://lists.gnu.org/archive/html/bug-gnulib/2018-09/msg00107.html

Upstream Patch:
https://github.com/coreutils/gnulib/commit/278b4175c9d7dd47c1a3071554aac02add3b3c35
Comment 1 Laura Pardo 2018-10-03 16:57:54 EDT 
Created coreutils tracking bugs for this issue:

Affects: fedora-all [bug 1635899]


Created gnulib tracking bugs for this issue:

Affects: epel-7 [bug 1635898]
Affects: fedora-all [bug 1635897]
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