VulnerabilityModified
CVE-2018-5103
A use-after-free vulnerability can occur during mouse event handling due to issues with multiprocess support.
CRITICAL 9.8EPSS 3.03%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.03%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A use-after-free vulnerability can occur during mouse event handling due to issues with multiprocess support. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.03% probability · 87th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- debian/debian linux · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux server eus · redhat/enterprise linux workstation · mozilla/firefox · mozilla/thunderbird · canonical/ubuntu linux
- Source
- security@mozilla.org
References
- http://www.securityfocus.com/bid/102783Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040270Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:0122Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:0262Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1423159Issue Tracking, Permissions Required, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/01/msg00030.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/01/msg00036.htmlThird Party Advisory
- https://usn.ubuntu.com/3544-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4096Third Party Advisory
- https://www.debian.org/security/2018/dsa-4102Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-02/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-03/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-04/Vendor Advisory
- http://www.securityfocus.com/bid/102783Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040270Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:0122Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:0262Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1423159Issue Tracking, Permissions Required, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/01/msg00030.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/01/msg00036.htmlThird Party Advisory
- https://usn.ubuntu.com/3544-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4096Third Party Advisory
- https://www.debian.org/security/2018/dsa-4102Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-02/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-03/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-04/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.