CVE-2014-7944 Memory corruption in n/a

Medium 5.0 Published Updated

Remote attackers can cause a denial of service via out-of-bounds read in PDFium when processing crafted PDFs with odd widths.

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-2014-7944?

CVE-2014-7944 is a medium-severity memory corruption vulnerability in Google Chrome, published on 22 Jan 2015. 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 sycc422_to_rgb function in fxcodec/codec/fx_codec_jpx_opj.cpp in PDFium, as used in Google Chrome before 40.0.2214.91, does not properly handle odd values of image width, which allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted PDF document.

Weakness: CWE-119

Which versions are affected by CVE-2014-7944?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2014-7944?

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-2014-7944 being exploited?

There is no known exploitation of CVE-2014-7944 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as GHSA-fhv9-q298-644g, UBUNTU-CVE-2014-7944.

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