CVE-2023-31975

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

0.47% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 38.3% of scored records. A rank, not a probability.

NVD base score

3.3 (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:L

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

2023-05-09 00:00Z3 YR AGO

Last updated

2025-01-29 18:28Z1 YR AGO

Reserved

2023-04-29

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Low (CVSS 3.3)

CNA CVSS vector

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

Weaknesses

• CWE-401Missing Release of Memory after Effective LifetimeVariant

Data version

5.1

Document digest

df0b0c4bb4506f45d454dcb893d228fc717ba3432facac8e25a516fcbb60453b

• github.comhttps://github.com/yasm/yasm/issues/210
• www.openwall.com[oss-security] 20230620 CVE-2023-31975: memory leak in yasmhttp://www.openwall.com/lists/oss-security/2023/06/20/6mailing-list
• www.openwall.com[oss-security] 20230621 Re: CVE-2023-31975: memory leak in yasmhttp://www.openwall.com/lists/oss-security/2023/06/21/2mailing-list
• www.openwall.com[oss-security] 20230621 Re: CVE-2023-31975: memory leak in yasmhttp://www.openwall.com/lists/oss-security/2023/06/21/7mailing-list
• www.openwall.com[oss-security] 20230621 Re: CVE-2023-31975: memory leak in yasmhttp://www.openwall.com/lists/oss-security/2023/06/21/10mailing-list
• www.openwall.com[oss-security] 20230622 Re: CVE-2023-31975: memory leak in yasmhttp://www.openwall.com/lists/oss-security/2023/06/21/5mailing-list
• www.openwall.com[oss-security] 20230621 Re: CVE-2023-31975: memory leak in yasmhttp://www.openwall.com/lists/oss-security/2023/06/21/8mailing-list
• www.openwall.com[oss-security] 20230621 Re: CVE-2023-31975: memory leak in yasmhttp://www.openwall.com/lists/oss-security/2023/06/21/9mailing-list
• www.openwall.com[oss-security] 20230621 Re: CVE-2023-31975: memory leak in yasmhttp://www.openwall.com/lists/oss-security/2023/06/21/13mailing-list
• www.openwall.com[oss-security] 20230621 Re: CVE-2023-31975: memory leak in yasmhttp://www.openwall.com/lists/oss-security/2023/06/22/1mailing-list
• www.openwall.com[oss-security] 20230621 Re: CVE-2023-31975: memory leak in yasmhttp://www.openwall.com/lists/oss-security/2023/06/22/3mailing-list
• www.openwall.com[oss-security] 20230622 Re: CVE-2023-31975: memory leak in yasmhttp://www.openwall.com/lists/oss-security/2023/06/22/6mailing-list
• www.openwall.com[oss-security] 20230623 Re: CVE-2023-31975: memory leak in yasmhttp://www.openwall.com/lists/oss-security/2023/06/23/2mailing-list
• www.openwall.com[oss-security] 20230623 Re: CVE-2023-31975: memory leak in yasmhttp://www.openwall.com/lists/oss-security/2023/06/23/1mailing-list
• www.openwall.com[oss-security] 20230623 Re: CVE-2023-31975: memory leak in yasmhttp://www.openwall.com/lists/oss-security/2023/06/23/4mailing-list
• www.openwall.com[oss-security] 20230623 Re: CVE-2023-31975: memory leak in yasmhttp://www.openwall.com/lists/oss-security/2023/06/23/8mailing-list
• www.openwall.com[oss-security] 20230623 Re: CVE-2023-31975: memory leak in yasmhttp://www.openwall.com/lists/oss-security/2023/06/23/9mailing-list
• www.openwall.com[oss-security] 20230624 Re: CVE-2023-31975: memory leak in yasmhttp://www.openwall.com/lists/oss-security/2023/06/24/1mailing-list