CVE-2023-3138

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

1.66% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 74.5% 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

2023-06-28 00:00Z3 YR AGO

Last updated

2024-08-02 06:48Z2 YR AGO

Reserved

2023-06-07

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

67f9a10e7981c755abbec6b4670213ac01a6a4d130d847720e386b299da1cb7e

• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2023-3138
• gitlab.freedesktop.orghttps://gitlab.freedesktop.org/xorg/lib/libx11/-/commit/304a654a0d57bf0f00d8998185f0360332cfa36c
• lists.x.orghttps://lists.x.org/archives/xorg-announce/2023-June/003406.html
• lists.x.orghttps://lists.x.org/archives/xorg-announce/2023-June/003407.html
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20231208-0008/