CVE-2018-17942

High

Description

The convert_to_decimal function in vasnprintf.c in Gnulib before 2018-09-23 has a heap-based buffer overflow because memory is not allocated for a trailing '\0' character during %f processing.

SeverityHigh

CVSS8.8

Exploit probability—

Product

Gnulib

PublishedOct 3, 2018

First seenOct 3, 2018

How to fix

Update

gnu gnulib2018-09-23 or later

Vendor advisories

lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A5UQRNQE6XHMD5UYYHAU3VQWAYHIPMQS/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMGHTVYH3KAFN34QXNSGEQDSTV7MCOQW/

Affected products

Product	Affected versions	Fixed in
gnu gnulib	v < 2018-09-23	2018-09-23

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