What’s Vulnerable › Vulnerabilities

CVE-2011-4126

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-10-27 · updated 2026-06-16
• Weakness: CWE-367

Description

Race condition issues were found in Calibre at devices/linux_mount_helper.c allowing unprivileged users the ability to mount any device to anywhere.

Affected products

• kovidgoyal calibre: all versions

References

• https://bugs.launchpad.net/calibre/+bug/885027
• https://git.zx2c4.com/calibre-mount-helper-exploit/about/
• https://lwn.net/Articles/464824/
• https://www.openwall.com/lists/oss-security/2011/11/02/2
• https://bugs.launchpad.net/calibre/+bug/885027
• https://git.zx2c4.com/calibre-mount-helper-exploit/about/
• https://lwn.net/Articles/464824/
• https://www.openwall.com/lists/oss-security/2011/11/02/2

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