CVE-2018-18356

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

3.27% 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

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

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/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

2018-12-11 15:00Z7 YR AGO

Last updated

2024-08-05 11:08Z2 YR AGO

Reserved

2018-10-15

Assigning CNA

Chrome

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-190Integer Overflow or WraparoundBase
• CWE-416Use After FreeVariant
• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

c3d09146713e5e4ff38e1fb8d84a846a8ee06bef72c4199c14378bb06b2478f7

• access.redhat.comRHSA-2019:0373https://access.redhat.com/errata/RHSA-2019:0373vendor-advisoryx_refsource_REDHAT
• usn.ubuntu.comUSN-3897-1https://usn.ubuntu.com/3897-1/vendor-advisoryx_refsource_UBUNTU
• crbug.comhttps://crbug.com/883666x_refsource_MISC
• lists.debian.org[debian-lts-announce] 20190215 [SECURITY] [DLA 1677-1] firefox-esr security updatehttps://lists.debian.org/debian-lts-announce/2019/02/msg00023.htmlmailing-listx_refsource_MLIST
• security.gentoo.orgGLSA-201903-04https://security.gentoo.org/glsa/201903-04vendor-advisoryx_refsource_GENTOO
• usn.ubuntu.comUSN-3896-1https://usn.ubuntu.com/3896-1/vendor-advisoryx_refsource_UBUNTU
• lists.debian.org[debian-lts-announce] 20190216 [SECURITY] [DLA 1678-1] thunderbird security updatehttps://lists.debian.org/debian-lts-announce/2019/02/msg00024.htmlmailing-listx_refsource_MLIST
• chromereleases.googleblog.comhttps://chromereleases.googleblog.com/2018/12/stable-channel-update-for-desktop.htmlx_refsource_CONFIRM
• access.redhat.comRHSA-2019:0374https://access.redhat.com/errata/RHSA-2019:0374vendor-advisoryx_refsource_REDHAT
• www.debian.orgDSA-4391https://www.debian.org/security/2019/dsa-4391vendor-advisoryx_refsource_DEBIAN
• access.redhat.comRHSA-2018:3803https://access.redhat.com/errata/RHSA-2018:3803vendor-advisoryx_refsource_REDHAT
• www.debian.orgDSA-4392https://www.debian.org/security/2019/dsa-4392vendor-advisoryx_refsource_DEBIAN
• www.debian.orgDSA-4352https://www.debian.org/security/2018/dsa-4352vendor-advisoryx_refsource_DEBIAN
• www.securityfocus.com106084http://www.securityfocus.com/bid/106084vdb-entryx_refsource_BID
• security.gentoo.orgGLSA-201904-07https://security.gentoo.org/glsa/201904-07vendor-advisoryx_refsource_GENTOO
• lists.opensuse.orgopenSUSE-SU-2019:1162http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00043.htmlvendor-advisoryx_refsource_SUSE
• access.redhat.comRHSA-2019:1144https://access.redhat.com/errata/RHSA-2019:1144vendor-advisoryx_refsource_REDHAT
• security.gentoo.orgGLSA-201908-18https://security.gentoo.org/glsa/201908-18vendor-advisoryx_refsource_GENTOO