CVE-2015-1472

High

Description

The ADDW macro in stdio-common/vfscanf.c in the GNU C Library (aka glibc or libc6) before 2.21 does not properly consider data-type size during memory allocation, which allows context-dependent attackers to cause a denial of service (buffer overflow) or possibly have unspecified other impact via a long line containing wide characters that are improperly handled in a wscanf call.

SeverityHigh

CVSS7.5

Exploit probability—

Product

Gnu Glibc

PublishedApr 8, 2015

First seenApr 8, 2015

How to fix

Vendor advisories

security.gentoo.org/glsa/201602-02

Affected products

Product	Affected versions	Fixed in
gnu glibc	v ≤ 2.20	—
canonical ubuntu_linux	10.04, 12.04, 14.04, 14.10	—

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