CVE-2018-19296

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

2.22% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 82.4% 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:3.1/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

2018-11-16 09:00Z7 YR AGO

Last updated

2024-08-05 11:30Z2 YR AGO

Reserved

2018-11-15

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-502Deserialization of Untrusted DataBase
• CWE-1321Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')Variant

Data version

5.1

Document digest

d7742f6a1481293cceb6ffba34ba86de56ab522c4e54be8a64fe720983057a69

• github.comhttps://github.com/PHPMailer/PHPMailer/releases/tag/v5.2.27x_refsource_MISC
• lists.debian.org[debian-lts-announce] 20181228 [SECURITY] [DLA 1591-2] libphp-phpmailer regression updatehttps://lists.debian.org/debian-lts-announce/2018/12/msg00020.htmlmailing-listx_refsource_MLIST
• www.debian.orgDSA-4351https://www.debian.org/security/2018/dsa-4351vendor-advisoryx_refsource_DEBIAN
• github.comhttps://github.com/PHPMailer/PHPMailer/releases/tag/v6.0.6x_refsource_MISC
• lists.fedoraproject.orgFEDORA-2021-b21bbfa198https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KPU66INRFY5BQ3ESVPRUXJR4DXQAFJVT/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-ecf4fed550https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3B5WDPGUFNPG4NAZ6G4BZX43BKLAVA5B/vendor-advisoryx_refsource_FEDORA