CVE-2018-4911 Use after free in Adobe Acrobat Reader 2018.009.20050 and earlier versions, 2017.011.30070 and earlier versions, 2015.006.30394 and earlier versions

High 8.8 Published Updated

Attackers can execute arbitrary code via crafted JavaScript in PDF files exploiting a use-after-free flaw in Adobe Acrobat Reader.

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-2018-4911?

CVE-2018-4911 is a high-severity use after free vulnerability in Adobe Acrobat, published on 27 Feb 2018. 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

An issue was discovered in Adobe Acrobat Reader 2018.009.20050 and earlier versions, 2017.011.30070 and earlier versions, 2015.006.30394 and earlier versions. This vulnerability is an instance of a use after free vulnerability in the JavaScript API related to bookmark functionality. The vulnerability is triggered by crafted JavaScript code embedded within a PDF file. A successful attack can lead to code corruption, control-flow hijack, or a code re-use attack.

Weakness: CWE-416

Which versions are affected by CVE-2018-4911?

It affects 4 products.

Products include Adobe Acrobat, Adobe Acrobat Dc, Adobe Acrobat Reader, Adobe Acrobat Reader Dc.

How do I fix CVE-2018-4911?

No fix has been published for CVE-2018-4911 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-2018-4911 being exploited?

There is no known exploitation of CVE-2018-4911 in the wild and no public exploit code.

All Adobe Acrobat vulnerabilities

Sources

Also known as GHSA-h64f-h28p-rxqx.

Is CVE-2018-4911 in your software?

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

Check your SBOMs for free