CVE-2024-3203

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

1.35% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 69.5% of scored records. A rank, not a probability.

NVD base score

9.8 (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:H/I:H/A:H

NVD analysis status

Analyzed. 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

2024-04-02 22:00Z2 YR AGO

Last updated

2024-08-01 20:05Z2 YR AGO

Reserved

2024-04-02

Assigning CNA

VulDB

Record state

PUBLISHED

Severity

High (CVSS 7.3)

CNA CVSS vector

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

Weaknesses

• CWE-122Heap-based Buffer OverflowVariant

Data version

5.1

Document digest

db67b4e00082b8537ccbc1d2c8df8245ab28e910401a760ea7b451e59484a1e6

• vuldb.comVDB-259050 | c-blosc2 ndlz8x8.c ndlz8_decompress heap-based overflowhttps://vuldb.com/?id.259050vdb-entrytechnical-description
• vuldb.comVDB-259050 | CTI Indicators (IOB, IOC, IOA)https://vuldb.com/?ctiid.259050signaturepermissions-required
• vuldb.comSubmit #304556 | blosc c-blosc2 1dd1e55cb329d01c210da77ceb53027853c35b72 heap-buffer-overflowhttps://vuldb.com/?submit.304556third-party-advisory
• drive.google.comhttps://drive.google.com/drive/folders/1T1k3UeS09m65LjVXExUuZfedNQPWQWCo?usp=sharingexploit
• github.comhttps://github.com/Blosc/c-blosc2/releases/tag/v2.14.3patch