CVE-2023-29581

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

0.34% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 26.8% 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

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

2023-04-12 00:00Z3 YR AGO

Last updated

2024-08-02 14:14Z2 YR AGO

Reserved

2023-04-07

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 5.5)

CNA CVSS vector

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

Weaknesses

No CWE assigned

Data version

5.1

Document digest

0df73fdbe246ec5f24dec0c558c9f5771544cecb2247ecdb58630fcf30bab188

• github.comhttps://github.com/yasm/yasm/issues/216
• github.comhttps://github.com/z1r00/fuzz_vuln/blob/main/yasm/segv/delete_Token/readme.md
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2186333
• github.comhttps://github.com/yasm/yasm/blob/master/SECURITY.md