CVE-2021-42723 Adobe Bridge Out-of-bounds read could lead to Arbitrary Code Execution
An attacker can execute arbitrary code by tricking a user into opening a malicious SGI file in Adobe Bridge.
- 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-2021-42723?
CVE-2021-42723 is a high-severity memory corruption vulnerability in Adobe Bridge, published on 16 Nov 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 Bridge version 11.1.1 (and earlier) is affected by an out-of-bounds read vulnerability when parsing a crafted SGI file, which could result in a read past the end of an allocated memory structure. An attacker could leverage this vulnerability to execute code 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-125
Which versions are affected by CVE-2021-42723?
It affects 1 product.
Products include Adobe Premiere Pro.
How do I fix CVE-2021-42723?
No fix has been published for CVE-2021-42723 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-2021-42723 being exploited?
There is no known exploitation of CVE-2021-42723 in the wild and no public exploit code.
Other vulnerabilities in Adobe Bridge
- CVE-2026-48269 Premiere Pro | Heap-based Buffer Overflow (CWE-122)
- CVE-2026-48270 Premiere Pro | Out-of-bounds Write (CWE-787)
- CVE-2026-48369 Premiere Pro | Out-of-bounds Write (CWE-787)
- CVE-2026-34636 Premiere Pro | Out-of-bounds Write (CWE-787)
- CVE-2026-34637 Premiere Pro | Out-of-bounds Write (CWE-787)
Sources
Also known as GHSA-r4wh-9cw3-v2jg.