CVE-2018-12405

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

3.20% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 87.2% 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

Critical. 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 08:38Z2 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-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base

Data version

5.1

Document digest

fdb4934ceea5b34c5009ae5434e5ac1622c516aed0136e62baf32a654a1abd13

• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2018-29/x_refsource_CONFIRM
• lists.debian.org[debian-lts-announce] 20181213 [SECURITY] [DLA 1605-1] firefox-esr security updatehttps://lists.debian.org/debian-lts-announce/2018/12/msg00002.htmlmailing-listx_refsource_MLIST
• access.redhat.comRHSA-2018:3833https://access.redhat.com/errata/RHSA-2018:3833vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2018:3831https://access.redhat.com/errata/RHSA-2018:3831vendor-advisoryx_refsource_REDHAT
• www.debian.orgDSA-4362https://www.debian.org/security/2019/dsa-4362vendor-advisoryx_refsource_DEBIAN
• security.gentoo.orgGLSA-201903-04https://security.gentoo.org/glsa/201903-04vendor-advisoryx_refsource_GENTOO
• bugzilla.mozilla.orghttps://bugzilla.mozilla.org/buglist.cgi?bug_id=1494752%2C1498765%2C1503326%2C1505181%2C1500759%2C1504365%2C1506640%2C1503082%2C1502013%2C1510471x_refsource_CONFIRM
• usn.ubuntu.comUSN-3844-1https://usn.ubuntu.com/3844-1/vendor-advisoryx_refsource_UBUNTU
• www.securityfocus.com106168http://www.securityfocus.com/bid/106168vdb-entryx_refsource_BID
• access.redhat.comRHSA-2019:0159https://access.redhat.com/errata/RHSA-2019:0159vendor-advisoryx_refsource_REDHAT
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2018-31/x_refsource_CONFIRM
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2018-30/x_refsource_CONFIRM
• www.debian.orgDSA-4354https://www.debian.org/security/2018/dsa-4354vendor-advisoryx_refsource_DEBIAN
• usn.ubuntu.comUSN-3868-1https://usn.ubuntu.com/3868-1/vendor-advisoryx_refsource_UBUNTU
• access.redhat.comRHSA-2019:0160https://access.redhat.com/errata/RHSA-2019:0160vendor-advisoryx_refsource_REDHAT