HIGH · 7.5

CVE-2018-5153

If websocket data is sent with mixed text and binary in a single message, the binary data can be corrupted. This can result in an out-of-bounds read with the read memory sent to the originating server...

Vulnerability Description

If websocket data is sent with mixed text and binary in a single message, the binary data can be corrupted. This can result in an out-of-bounds read with the read memory sent to the originating server in response. This vulnerability affects Firefox < 60.

CVSS Score

7.5

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
MozillaFirefox< 60.0
CanonicalUbuntu Linux14.04

Related Weaknesses (CWE)

References

FAQ

What is CVE-2018-5153?

CVE-2018-5153 is a vulnerability with a CVSS score of 7.5 (HIGH). If websocket data is sent with mixed text and binary in a single message, the binary data can be corrupted. This can result in an out-of-bounds read with the read memory sent to the originating server...

How severe is CVE-2018-5153?

CVE-2018-5153 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-5153?

Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Canonical Ubuntu Linux.