CVE-2021-35985 Adobe Acrobat Pro DC PDFLibTool Null Pointer Dereference Bug

What is CVE-2021-35985?

CVE-2021-35985 is a medium-severity vulnerability in Adobe Acrobat Dc, published on 20 Aug 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by a Null pointer dereference vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Weakness: CWE-476

Which versions are affected by CVE-2021-35985?

It affects 2 products.

Products include Adobe Acrobat Dc, Adobe Acrobat Reader Dc.

How do I fix CVE-2021-35985?

No fix has been published for CVE-2021-35985 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-35985 being exploited?

There is no known exploitation of CVE-2021-35985 in the wild and no public exploit code.

Other vulnerabilities in Adobe Acrobat Dc

• CVE-2018-4990 Adobe Acrobat and Reader Double Free Exploited High 8.8
• CVE-2020-9715 Adobe Acrobat Use-After-Free Exploited High 7.8
• CVE-2020-3792 Use after free in Adobe Acrobat and Reader Critical 9.8
• CVE-2020-3793 Use after free in Adobe Acrobat and Reader Critical 9.8
• CVE-2020-3795 Memory corruption in Adobe Acrobat and Reader Critical 9.8

All Adobe Acrobat Dc vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-gxxf-959m-c3mf.