CVE-2018-5146

Description

An out of bounds memory write while processing Vorbis audio data was reported through the Pwn2Own contest. This vulnerability affects Firefox < 59.0.1, Firefox ESR < 52.7.2, and Thunderbird < 52.7.

Category

8.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 17.44% Top 10%
Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory gentoo.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Firefox
Affected: Mozilla Firefox ESR
Affected: Mozilla Thunderbird
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2018:0549 third party advisory vendor advisory
https://usn.ubuntu.com/3604-1/ third party advisory vendor advisory
https://www.debian.org/security/2018/dsa-4143 third party advisory vendor advisory
https://security.gentoo.org/glsa/201811-13 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2018/03/msg00022.html third party advisory mailing list
https://usn.ubuntu.com/3545-1/ third party advisory vendor advisory
https://usn.ubuntu.com/3599-1/ third party advisory vendor advisory
https://www.mozilla.org/security/advisories/mfsa2018-09/ vendor advisory
https://lists.debian.org/debian-lts-announce/2018/03/msg00029.html third party advisory mailing list
https://www.debian.org/security/2018/dsa-4155 third party advisory vendor advisory
https://www.mozilla.org/security/advisories/mfsa2018-08/ vendor advisory
https://access.redhat.com/errata/RHSA-2018:0648 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:0647 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:1058 third party advisory vendor advisory
http://www.securitytracker.com/id/1040544 vdb entry third party advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1446062 issue tracking permissions required vendor advisory
http://www.securityfocus.com/bid/103432 vdb entry third party advisory
https://www.debian.org/security/2018/dsa-4140 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2018/04/msg00033.html third party advisory mailing list
https://access.redhat.com/errata/RHSA-2018:0649 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-5146?
CVE-2018-5146 has been scored as a high severity vulnerability.
How to fix CVE-2018-5146?
To fix CVE-2018-5146, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-5146 being actively exploited in the wild?
It is possible that CVE-2018-5146 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~17% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-5146?
CVE-2018-5146 affects Mozilla Firefox, Mozilla Firefox ESR, Mozilla Thunderbird.
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