CVE-2016-7969 Memory corruption in n/a

High 7.5 Published Updated

Remote attackers can cause a denial of service via an out-of-bounds read in the libass subtitle rendering library.

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

What is CVE-2016-7969?

CVE-2016-7969 is a high-severity memory corruption vulnerability in Fedoraproject Fedora, published on 3 Mar 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The wrap_lines_smart function in ass_render.c in libass before 0.13.4 allows remote attackers to cause a denial of service (out-of-bounds read) via unspecified vectors, related to "0/3 line wrapping equalization."

Weakness: CWE-125

Which versions are affected by CVE-2016-7969?

It affects 4 products.

Products include Fedoraproject Fedora, Libass Project Libass, Opensuse Leap, Opensuse Opensuse.

How do I fix CVE-2016-7969?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2016-7969 being exploited?

There is no known exploitation of CVE-2016-7969 in the wild and no public exploit code.

All Fedoraproject Fedora vulnerabilities

Sources

Also known as ALPINE-CVE-2016-7969, DEBIAN-CVE-2016-7969, GHSA-7r54-p742-5vp5, UBUNTU-CVE-2016-7969.

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