CVE-2011-3443 Use after free in n/a

High 7.5 Published Updated

Remote attackers can execute arbitrary code or cause denial of service via crafted CSS font-face rules in Apple Safari.

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
None listed

What is CVE-2011-3443?

CVE-2011-3443 is a high-severity use after free vulnerability in Apple Safari, published on 2 Mar 2012. 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 WebKit, as used in Apple Safari before 5.0.6, allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption and application crash) via vectors related to improper list management for Cascading Style Sheets (CSS) @font-face rules.

Weakness: CWE-399

Which versions are affected by CVE-2011-3443?

It affects 1 product.

Products include Apple Safari.

How do I fix CVE-2011-3443?

No fix has been published for CVE-2011-3443 yet. Limit exposure of the affected software until one is available.

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-2011-3443 being exploited?

There is no known exploitation of CVE-2011-3443 in the wild and no public exploit code.

All Apple Safari vulnerabilities

Sources

Also known as GHSA-76h2-gg8c-qx4m, UBUNTU-CVE-2011-3443.

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