CVE-2026-34353

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• 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

0.11% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 1.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Analyzed. 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

2026-03-27 04:55Z7 MO AGO

Last updated

2026-03-27 13:45Z7 MO AGO

Reserved

2026-03-27

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 5.9)

CNA CVSS vector

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

Weaknesses

• CWE-190Integer Overflow or WraparoundBase

Data version

5.2

Document digest

b0bb5c18c95999c2bb53d3aa0dc8abfbd3234ab6e2ec98323a80a2f2c7bb00d4

• github.comhttps://github.com/ocaml/ocaml/issues/14655
• github.comhttps://github.com/ocaml/ocaml/pull/14674