CVE-2018-12294

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

2.43% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 83.0% 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

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2018-06-19 21:00Z8 YR AGO

Last updated

2024-08-05 08:30Z2 YR AGO

Reserved

2018-06-13

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-416Use After FreeVariant

Data version

5.1

Document digest

eedd491061c038b3ef484568dd44065c5a84c367bdf00be72f160fae3542714f

• bugs.webkit.orghttps://bugs.webkit.org/show_bug.cgi?id=184729x_refsource_MISC
• trac.webkit.orghttps://trac.webkit.org/changeset/231300/webkitx_refsource_MISC
• security.gentoo.orgGLSA-201808-04https://security.gentoo.org/glsa/201808-04vendor-advisoryx_refsource_GENTOO
• www.securityfocus.com20180614 WebKitGTK+ and WPE WebKit Security Advisory WSA-2018-0005http://www.securityfocus.com/archive/1/542087/100/0/threadedmailing-listx_refsource_BUGTRAQ
• packetstormsecurity.comhttp://packetstormsecurity.com/files/148200/WebKitGTK-Data-Leak-Code-Execution.htmlx_refsource_MISC
• www.openwall.com[oss-security] 20180614 WebKitGTK+ and WPE WebKit Security Advisory WSA-2018-0005http://www.openwall.com/lists/oss-security/2018/06/14/1mailing-listx_refsource_MLIST