CVE-2021-36004 Adobe InDesign CoolType out of bounds write vulnerability could lead to arbitrary stack manipulation

What is CVE-2021-36004?

CVE-2021-36004 is a high-severity memory corruption vulnerability in Adobe Indesign, published on 27 Jul 2021. 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

Adobe InDesign version 16.0 (and earlier) is affected by an Out-of-bounds Write vulnerability in the CoolType library. An unauthenticated attacker could leverage this vulnerability to achieve remote code execution 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-787

Which versions are affected by CVE-2021-36004?

It affects 1 product.

Products include Adobe Indesign.

How do I fix CVE-2021-36004?

No fix has been published for CVE-2021-36004 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-2021-36004 being exploited?

There is no known exploitation of CVE-2021-36004 in the wild and no public exploit code.

Other vulnerabilities in Adobe Indesign

• CVE-2019-7107 Code injection in InDesign Critical 9.8
• CVE-2017-11302 Memory corruption in Adobe InDesign 12.1.0 and earlier versions Critical 9.8
• CVE-2016-7886 Memory corruption in Adobe InDesign 11.4.1 and earlier, InDesign Server 11.0.0 and earlier Critical 9.8
• CVE-2021-21098 Adobe InDesign PCX file parsing out-of-bounds write vulnerability could lead to remote code execution High 8.8
• CVE-2021-21099 Adobe InDesign PCX file parsing out-of-bounds write vulnerability could lead to remote code execution High 8.8

All Adobe Indesign vulnerabilities

Sources

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

Also known as GHSA-x6gj-2vp8-jhcw.