CVE-2018-5153

UnknownEPSS 1.70%

Last modified

CVE-2018-5153 is a vulnerability of currently unknown severity. 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. EPSS estimates a 1.70% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
1.70%

74.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MozillaFirefox< 60.0
CanonicalUbuntu Linux14.04
CanonicalUbuntu Linux16.04
CanonicalUbuntu Linux17.10
CanonicalUbuntu Linux18.04

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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 in response. This vulnerability affects Firefox < 60.
How severe is CVE-2018-5153?
Severity scoring for CVE-2018-5153 is pending analysis. The EPSS model estimates a 1.70% probability of exploitation in the next 30 days.
How do I fix CVE-2018-5153?
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-2018-5153?

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

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Source: NVD / NIST