CVE-2018-5146

Name: CVE-2018-5146
Creator: NVD / NIST
Published: 2018-06-11T21:29:14.78+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 12.05%

Last modified Jun 17, 2026

CVE-2018-5146 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 12.05% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

12.05%

95.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Redhat	Enterprise Linux Desktop	6.0
Redhat	Enterprise Linux Desktop	7.0
Redhat	Enterprise Linux Server	6.0
Redhat	Enterprise Linux Server	7.0
Redhat	Enterprise Linux Server Aus	7.4
Redhat	Enterprise Linux Server Aus	7.6
Redhat	Enterprise Linux Server Eus	7.4
Redhat	Enterprise Linux Server Eus	7.5
Redhat	Enterprise Linux Server Eus	7.6
Redhat	Enterprise Linux Server Tus	7.4
Redhat	Enterprise Linux Server Tus	7.6
Redhat	Enterprise Linux Workstation	6.0
Redhat	Enterprise Linux Workstation	7.0
Debian	Debian Linux	7.0
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	17.10
Mozilla	Firefox	< 52.7.2
Mozilla	Firefox	< 59.0.1
Mozilla	Thunderbird	< 52.7.0

References

http://www.securityfocus.com/bid/103432Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040544Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:0549Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0647Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0648Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0649Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1058Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1446062Issue Tracking, Permissions Required, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/03/msg00022.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/03/msg00029.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/04/msg00033.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/201811-13Third Party Advisory
https://usn.ubuntu.com/3545-1/Third Party Advisory
https://usn.ubuntu.com/3599-1/Third Party Advisory
https://usn.ubuntu.com/3604-1/Third Party Advisory
https://www.debian.org/security/2018/dsa-4140Third Party Advisory
https://www.debian.org/security/2018/dsa-4143Third Party Advisory
https://www.debian.org/security/2018/dsa-4155Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-08/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-09/Vendor Advisory
http://www.securityfocus.com/bid/103432Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040544Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:0549Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0647Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0648Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0649Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1058Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1446062Issue Tracking, Permissions Required, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/03/msg00022.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/03/msg00029.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/04/msg00033.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/201811-13Third Party Advisory
https://usn.ubuntu.com/3545-1/Third Party Advisory
https://usn.ubuntu.com/3599-1/Third Party Advisory
https://usn.ubuntu.com/3604-1/Third Party Advisory
https://www.debian.org/security/2018/dsa-4140Third Party Advisory
https://www.debian.org/security/2018/dsa-4143Third Party Advisory
https://www.debian.org/security/2018/dsa-4155Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-08/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-09/Vendor Advisory

Timeline

Published: Jun 11, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-5146?

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.

How severe is CVE-2018-5146?

Severity scoring for CVE-2018-5146 is pending analysis. The EPSS model estimates a 12.05% probability of exploitation in the next 30 days.

How do I fix CVE-2018-5146?

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-2018-5146?

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

Scan your code now

Source: NVD / NIST