Public Date:
1560928: CVE-2018-5148 firefox: Use-after-free in compositor potentially allows code execution

The MITRE CVE dictionary describes this issue as:

A use-after-free vulnerability can occur in the compositor during certain graphics operations when a raw pointer is used instead of a reference counted one. This results in a potentially exploitable crash. This vulnerability affects Firefox ESR < 52.7.3 and Firefox < 59.0.2.

Find out more about CVE-2018-5148 from the MITRE CVE dictionary dictionary and NIST NVD.


Red Hat Enterprise Linux 5 is now in Extended Life Phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle:

CVSS v3 metrics

CVSS3 Base Score 7.5
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity Impact High
Availability Impact High

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 6 (firefox) RHSA-2018:1098 2018-04-10
Red Hat Enterprise Linux 7 (firefox) RHSA-2018:1099 2018-04-10

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 8 firefox Not affected
Red Hat Enterprise Linux 5 firefox Will not fix
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.

External References

Last Modified

CVE description copyright © 2017, The MITRE Corporation