CVE-2021-21006 Heap buffer overflow when handling crafted font file could lead to arbitrary code execution
Heap buffer overflow in Adobe Photoshop allows arbitrary code execution when a user opens a malicious font file.
- 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-2021-21006?
CVE-2021-21006 is a high-severity memory corruption vulnerability in Adobe Photoshop, published on 13 Jan 2021. 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 Photoshop version 22.1 (and earlier) is affected by a heap buffer overflow vulnerability when handling a specially crafted font file. Successful exploitation could lead to arbitrary code execution. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Weakness: CWE-122
Which versions are affected by CVE-2021-21006?
It affects 1 product.
Products include Adobe Photoshop.
How do I fix CVE-2021-21006?
No fix has been published for CVE-2021-21006 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-2021-21006 being exploited?
There is no known exploitation of CVE-2021-21006 in the wild and no public exploit code.
Other vulnerabilities in Adobe Photoshop
- CVE-2011-2164 Multiple unspecified vulnerabilities in Adobe Photoshop before 12.0.4 have unknown impact and attack vectors.
- CVE-2017-11303 Memory corruption in Adobe Photoshop 18.1.1 (2017.1.1) and earlier versions
- CVE-2017-11304 Use after free in Adobe Photoshop 18.1.1 (2017.1.1) and earlier versions
- CVE-2012-2027 Use after free in n/a
- CVE-2012-2028 Memory corruption in n/a
Sources
Also known as GHSA-v4j4-xc7c-cpxx.