CVE-2011-4124 Command injection in Calibre
Attackers can exploit input validation flaws in Calibre's Linux mount helper to inject arguments, leading to privilege escalation and potential code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2011-4124?
CVE-2011-4124 is a critical command injection vulnerability in Calibre, published on 27 Oct 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Input validation issues were found in Calibre at devices/linux_mount_helper.c which can lead to argument injection and elevation of privileges.
Weakness: CWE-20
Which versions are affected by CVE-2011-4124?
It affects 1 product.
Products include Calibre-Ebook Calibre.
How do I fix CVE-2011-4124?
Upgrade to a fixed version.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2011-4124 being exploited?
There is no known exploitation of CVE-2011-4124 in the wild and no public exploit code.
Other vulnerabilities in Calibre
- CVE-2011-4125 Privilege escalation in Calibre
- CVE-2026-26064 calibre: Path Traversal Vulnerability Enables Arbitrary File Write and Remote Code Execution
- CVE-2026-26065 calibre: Path Traversal can Lead to Arbitrary File Write and Potential Code Execution
- CVE-2026-25635 calibre has a Path Traversal Leading to Arbitrary File Write and Potential Code Execution
- CVE-2026-33206 calibre has a path traversal vulnerability
Sources
Also known as DEBIAN-CVE-2011-4124, GHSA-989w-w345-v363.