CVE-2019-19203

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

4.05% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 89.7% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. 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

2019-11-21 20:06Z6 YR AGO

Last updated

2024-08-05 02:09Z2 YR AGO

Reserved

2019-11-21

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-125Out-of-bounds ReadBase

Data version

5.1

Document digest

091fe2242be6abb745d530d5dd9ae901bb5a440f0bd980d8b853f97fffa1e511

• github.comhttps://github.com/kkos/oniguruma/releases/tag/v6.9.4_rc2x_refsource_MISC
• github.comhttps://github.com/kkos/oniguruma/issues/163x_refsource_MISC
• github.comhttps://github.com/ManhNDd/CVE-2019-19203x_refsource_MISC
• lists.fedoraproject.orgFEDORA-2019-d942abd0d4https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2019-73197ff9a0https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V3MBNW6Z4DOXSCNWGBLQ7OA3OGUJ44WL/vendor-advisoryx_refsource_FEDORA
• github.comhttps://github.com/tarantula-team/CVE-2019-19203x_refsource_MISC