CVE-2022-34239 Adobe Acrobat Reader DC Font Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

Medium 5.5 Published Updated

An out-of-bounds read in Adobe Acrobat Reader allows attackers to disclose sensitive memory and bypass ASLR by tricking users into opening malicious files.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2022-34239?

CVE-2022-34239 is a medium-severity vulnerability in Adobe Acrobat, published on 15 Jul 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Adobe Acrobat Reader versions 22.001.20142 (and earlier), 20.005.30334 (and earlier) and 17.012.30229 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Weakness: CWE-125

Which versions are affected by CVE-2022-34239?

It affects 4 products.

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

How do I fix CVE-2022-34239?

No fix has been published for CVE-2022-34239 yet. Limit exposure of the affected software until one is available.

Is CVE-2022-34239 being exploited?

There is no known exploitation of CVE-2022-34239 in the wild and no public exploit code.

All Adobe Acrobat vulnerabilities

Sources

Also known as GHSA-jj2r-pr6v-j9g5.

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