CVE-2014-1563 Use after free in n/a

Critical 10.0 Published 3 Sep 2014 Updated 6 Aug 2024

Remote attackers can execute arbitrary code or cause denial of service via crafted SVG animations in Mozilla Firefox and Thunderbird.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2014-1563?

CVE-2014-1563 is a critical use after free vulnerability in Mozilla Firefox, published on 3 Sep 2014. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Use-after-free vulnerability in the mozilla::DOMSVGLength::GetTearOff function in Mozilla Firefox before 32.0, Firefox ESR 31.x before 31.1, and Thunderbird 31.x before 31.1 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via an SVG animation with DOM interaction that triggers incorrect cycle collection.

Weakness: CWE-416

Which versions are affected by CVE-2014-1563?

It affects 5 products.

Products include Mozilla Firefox, Mozilla Thunderbird, Opensuse Evergreen, Opensuse Opensuse, Oracle Solaris.

How do I fix CVE-2014-1563?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2014-1563 being exploited?

There is no known exploitation of CVE-2014-1563 in the wild and no public exploit code.

All Mozilla Firefox vulnerabilities

Sources

Also known as GHSA-r4rg-39xh-pg83, UBUNTU-CVE-2014-1563.