CVE-2011-1659 Integer overflow in n/a

Medium 5.0 Published Updated

An integer overflow in glibc's fnmatch function allows attackers to cause a denial of service via crafted UTF-8 strings.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2011-1659?

CVE-2011-1659 is a medium-severity vulnerability in Gnu Glibc, published on 8 Apr 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Integer overflow in posix/fnmatch.c in the GNU C Library (aka glibc or libc6) 2.13 and earlier allows context-dependent attackers to cause a denial of service (application crash) via a long UTF8 string that is used in an fnmatch call with a crafted pattern argument, a different vulnerability than CVE-2011-1071.

Weakness: CWE-189

Which versions are affected by CVE-2011-1659?

It affects 1 product.

Products include Gnu Glibc.

How do I fix CVE-2011-1659?

Upgrade to a fixed version.

Is CVE-2011-1659 being exploited?

There is no known exploitation of CVE-2011-1659 in the wild and no public exploit code.

All Gnu Glibc vulnerabilities

Sources

Also known as DEBIAN-CVE-2011-1659, GHSA-q5rg-jqvh-mj2q.

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