CVE-2018-12392

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

3.42% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 88.3% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2019-02-28 18:00Z7 YR AGO

Last updated

2024-08-05 08:30Z2 YR AGO

Reserved

2018-06-14

Assigning CNA

mozilla

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-364Signal Handler Race ConditionBase

Data version

5.1

Document digest

30cf01161143f09cf74c4a73d1be6dedb087d20e77d31ecdbef866dd682666e3

• www.securityfocus.com105769http://www.securityfocus.com/bid/105769vdb-entryx_refsource_BID
• www.debian.orgDSA-4324https://www.debian.org/security/2018/dsa-4324vendor-advisoryx_refsource_DEBIAN
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2018-28/x_refsource_CONFIRM
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2018-26/x_refsource_CONFIRM
• lists.debian.org[debian-lts-announce] 20181112 [SECURITY] [DLA 1575-1] thunderbird security updatehttps://lists.debian.org/debian-lts-announce/2018/11/msg00011.htmlmailing-listx_refsource_MLIST
• security.gentoo.orgGLSA-201811-04https://security.gentoo.org/glsa/201811-04vendor-advisoryx_refsource_GENTOO
• security.gentoo.orgGLSA-201811-13https://security.gentoo.org/glsa/201811-13vendor-advisoryx_refsource_GENTOO
• www.debian.orgDSA-4337https://www.debian.org/security/2018/dsa-4337vendor-advisoryx_refsource_DEBIAN
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2018-27/x_refsource_CONFIRM
• bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1492823x_refsource_CONFIRM
• access.redhat.comRHSA-2018:3005https://access.redhat.com/errata/RHSA-2018:3005vendor-advisoryx_refsource_REDHAT
• www.securityfocus.com105718http://www.securityfocus.com/bid/105718vdb-entryx_refsource_BID
• access.redhat.comRHSA-2018:3006https://access.redhat.com/errata/RHSA-2018:3006vendor-advisoryx_refsource_REDHAT
• usn.ubuntu.comUSN-3801-1https://usn.ubuntu.com/3801-1/vendor-advisoryx_refsource_UBUNTU
• usn.ubuntu.comUSN-3868-1https://usn.ubuntu.com/3868-1/vendor-advisoryx_refsource_UBUNTU
• access.redhat.comRHSA-2018:3532https://access.redhat.com/errata/RHSA-2018:3532vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2018:3531https://access.redhat.com/errata/RHSA-2018:3531vendor-advisoryx_refsource_REDHAT
• lists.debian.org[debian-lts-announce] 20181107 [SECURITY] [DLA 1571-1] firefox-esr security updatehttps://lists.debian.org/debian-lts-announce/2018/11/msg00008.htmlmailing-listx_refsource_MLIST
• www.securitytracker.com1041944http://www.securitytracker.com/id/1041944vdb-entryx_refsource_SECTRACK