CRITICAL · 9.8

CVE-2018-5156

A vulnerability can occur when capturing a media stream when the media source type is changed as the capture is occurring. This can result in stream data being cast to the wrong type causing a potenti...

Vulnerability Description

A vulnerability can occur when capturing a media stream when the media source type is changed as the capture is occurring. This can result in stream data being cast to the wrong type causing a potentially exploitable crash. This vulnerability affects Thunderbird < 60, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.

CVSS Score

9.8

CRITICAL

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

Affected Products

VendorProductVersions
RedhatEnterprise Linux Desktop6.0
RedhatEnterprise Linux Server6.0
RedhatEnterprise Linux Server Aus7.6
RedhatEnterprise Linux Server Eus7.5
RedhatEnterprise Linux Server Tus7.6
RedhatEnterprise Linux Workstation6.0
DebianDebian Linux8.0
CanonicalUbuntu Linux14.04
MozillaFirefox< 52.9.0
MozillaThunderbird< 60.0

Related Weaknesses (CWE)

References

FAQ

What is CVE-2018-5156?

CVE-2018-5156 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A vulnerability can occur when capturing a media stream when the media source type is changed as the capture is occurring. This can result in stream data being cast to the wrong type causing a potenti...

How severe is CVE-2018-5156?

CVE-2018-5156 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2018-5156?

Check the references section above for vendor advisories and patch information. Affected products include: Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus, Redhat Enterprise Linux Server Eus, Redhat Enterprise Linux Server Tus.