CVE-2018-12377
Critical
Description
A use-after-free vulnerability can occur when refresh driver timers are refreshed in some circumstances during shutdown when the timer is deleted while still in use. This results in a potentially exploitable crash. This vulnerability affects Firefox < 62, Firefox ESR < 60.2, and Thunderbird < 60.2.1.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Mozilla Firefox
PublishedOct 18, 2018
First seenOct 18, 2018
How to fix
Update
- mozilla firefox60.2.0, 62.0 or later
- mozilla thunderbird60.2.1 or later
Vendor advisories
- security.gentoo.org/glsa/201810-01
- access.redhat.com/errata/RHSA-2018:2693
- security.gentoo.org/glsa/201811-13
- debian.org/security/2018/dsa-4327
- access.redhat.com/errata/RHSA-2018:3403
- access.redhat.com/errata/RHSA-2018:2692
- access.redhat.com/errata/RHSA-2018:3458
- usn.ubuntu.com/3793-1/
- usn.ubuntu.com/3761-1/
- debian.org/security/2018/dsa-4287
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 60.2.0, v < 62.0 | 60.2.0, 62.0 |
| redhat enterprise_linux_desktop | 6.0, 7.0 | — |
| redhat enterprise_linux_server | 6.0, 7.0 | — |
| redhat enterprise_linux_server_aus | 7.6 | — |
| redhat enterprise_linux_server_eus | 7.5, 7.6 | — |
| redhat enterprise_linux_server_tus | 7.6 | — |
| redhat enterprise_linux_workstation | 6.0, 7.0 | — |
| debian debian_linux | 8.0, 9.0 | — |
| canonical ubuntu_linux | 14.04, 16.04, 18.04 | — |
| mozilla thunderbird | v < 60.2.1 | 60.2.1 |
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