CVE-2018-18751

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

4.26% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 90.4% 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

Low. 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

2018-10-28 17:00Z7 YR AGO

Last updated

2024-08-05 11:16Z2 YR AGO

Reserved

2018-10-28

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-415Double FreeVariant
• CWE-416Use After FreeVariant

Data version

5.1

Document digest

e2e8157452bc4f76184a7a80017d1eb07820431f1942d60478803dd5d754d1e3

• usn.ubuntu.comUSN-3815-2https://usn.ubuntu.com/3815-2/vendor-advisoryx_refsource_UBUNTU
• usn.ubuntu.comUSN-3815-1https://usn.ubuntu.com/3815-1/vendor-advisoryx_refsource_UBUNTU
• github.comhttps://github.com/CCCCCrash/POCs/tree/master/Bin/Tools-gettext-0.19.8.1/heapcorruptionx_refsource_MISC
• github.comhttps://github.com/CCCCCrash/POCs/tree/master/Bin/Tools-gettext-0.19.8.1/doublefreex_refsource_MISC
• access.redhat.comRHSA-2019:3643https://access.redhat.com/errata/RHSA-2019:3643vendor-advisoryx_refsource_REDHAT
• lists.opensuse.orgopenSUSE-SU-2020:1270http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00061.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2020:1278http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00065.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2020:1385http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00025.htmlvendor-advisoryx_refsource_SUSE