CVE-2017-7794

Name: CVE-2017-7794
Creator: NVD / NIST
Published: 2018-06-11T21:29:09.547+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.34%

Last modified Jun 17, 2026

CVE-2017-7794 is a vulnerability of currently unknown severity. On Linux systems, if the content process is compromised, the sandbox broker will allow files to be truncated even though the sandbox explicitly only has read access to the local file system and no write permissions. Note: This attack only affects the Linux operating system. EPSS estimates a 0.34% chance of exploitation in the next 30 days.

Description

On Linux systems, if the content process is compromised, the sandbox broker will allow files to be truncated even though the sandbox explicitly only has read access to the local file system and no write permissions. Note: This attack only affects the Linux operating system. Other operating systems are not affected. This vulnerability affects Firefox < 55.

Metrics

EPSS Probability

0.34%

25.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-276

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 55.0

References

http://www.securitytracker.com/id/1039124Third Party Advisory, VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1374281Exploit, Issue Tracking, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-18/Vendor Advisory
http://www.securitytracker.com/id/1039124Third Party Advisory, VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1374281Exploit, Issue Tracking, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-18/Vendor Advisory

Timeline

Published: Jun 11, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-7794?

How severe is CVE-2017-7794?

Severity scoring for CVE-2017-7794 is pending analysis. The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.

How do I fix CVE-2017-7794?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-7794?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST