CRITICAL · 9.1

CVE-2017-7758

An out-of-bounds read vulnerability with the Opus encoder when the number of channels in an audio stream changes while the encoder is in use. This vulnerability affects Firefox < 54, Firefox ESR < 52....

Vulnerability Description

An out-of-bounds read vulnerability with the Opus encoder when the number of channels in an audio stream changes while the encoder is in use. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.

CVSS Score

9.1

CRITICAL

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

Affected Products

VendorProductVersions
RedhatEnterprise Linux Desktop6.0
RedhatEnterprise Linux Server6.0
RedhatEnterprise Linux Server Aus7.3
RedhatEnterprise Linux Server Eus7.2
RedhatEnterprise Linux Workstation6.0
MozillaFirefox< 52.2.0
MozillaThunderbird< 52.2.0
DebianDebian Linux8.0

Related Weaknesses (CWE)

References

FAQ

What is CVE-2017-7758?

CVE-2017-7758 is a vulnerability with a CVSS score of 9.1 (CRITICAL). An out-of-bounds read vulnerability with the Opus encoder when the number of channels in an audio stream changes while the encoder is in use. This vulnerability affects Firefox < 54, Firefox ESR < 52....

How severe is CVE-2017-7758?

CVE-2017-7758 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2017-7758?

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 Workstation.