CVE-2011-0556 Memory corruption in n/a

Critical 9.3 Published Updated

Attackers can execute arbitrary code or cause denial of service via crafted PFR1 chunks in Adobe Shockwave Player, requiring user interaction to view malicious content.

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-2011-0556?

CVE-2011-0556 is a critical memory corruption vulnerability in Adobe Shockwave Player, published on 10 Feb 2011. 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

The Font Xtra.x32 module in Adobe Shockwave Player before 11.5.9.620 allows attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted PFR1 chunk that leads to an unexpected sign extension and an invalid pointer dereference, a different vulnerability than CVE-2011-0569.

Weakness: CWE-119

Which versions are affected by CVE-2011-0556?

It affects 1 product.

Products include Adobe Shockwave Player.

How do I fix CVE-2011-0556?

No fix has been published for CVE-2011-0556 yet. Limit exposure of the affected software until one is available.

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

Is CVE-2011-0556 being exploited?

There is no known exploitation of CVE-2011-0556 in the wild and no public exploit code.

All Adobe Shockwave Player vulnerabilities

Sources

Also known as GHSA-qxwr-vp86-5c3h.

Is CVE-2011-0556 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free