CVE-2023-40305

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.44% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 37.1% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

2023-08-14 00:00Z3 YR AGO

Last updated

2024-10-09 14:53Z1 YR AGO

Reserved

2023-08-14

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-787Out-of-bounds WriteBase
• CWE-122Heap-based Buffer OverflowVariant

Data version

5.1

Document digest

18fe69ea068deccb3a87befaed6e96677ec66b3689fa02e759d96c8960134dd3

• savannah.gnu.orghttps://savannah.gnu.org/bugs/index.php?64503
• ftp.gnu.orghttps://ftp.gnu.org/gnu/indent/
• lists.fedoraproject.orgFEDORA-2023-b7f5059ee9https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3W6SL3NKMH5R4S5PD2O3MTC2UR4SBVHK/vendor-advisory
• lists.fedoraproject.orgFEDORA-2023-67d8bcb63chttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4MIUH3F63KQJWYR3FLKRZUYYRJOY6FYX/vendor-advisory
• lists.fedoraproject.orgFEDORA-2023-845edc1181https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OB6GB6FUFPV5VJAZIANDG4YNNDW6JNXX/vendor-advisory