HOMEVULNERABILITIESCVE-2024-3204
CRITICAL

CVE-2024-3204

CWE-122Published: April 2, 2024· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

A vulnerability has been found in c-blosc2 up to 2.13.2 and classified as critical. Affected by this vulnerability is the function ndlz4_decompress of the file /src/c-blosc2/plugins/codecs/ndlz/ndlz4x4.c. The manipulation leads to heap-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.14.3 is able to address this issue. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-259051.

NVD Source

Technical Analysis

CVE-2024-3204 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

blosc1 product(s)
c-blosc2
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://vuldb.com/?id.259051
ADVISORYhttps://vuldb.com/?submit.304557
ADVISORYhttps://vuldb.com/?id.259051
ADVISORYhttps://vuldb.com/?submit.304557

All References (10)

→
https://drive.google.com/drive/folders/1T1k3UeS09m65LjVXExUuZfedNQPWQWCo?usp=sharingProduct
→
https://github.com/Blosc/c-blosc2/releases/tag/v2.14.3Release Notes
→
https://vuldb.com/?ctiid.259051Permissions Required · VDB Entry
→
https://vuldb.com/?id.259051Third Party Advisory · VDB Entry
→
https://vuldb.com/?submit.304557Exploit · Third Party Advisory · VDB Entry
→
https://drive.google.com/drive/folders/1T1k3UeS09m65LjVXExUuZfedNQPWQWCo?usp=sharingProduct
→
https://github.com/Blosc/c-blosc2/releases/tag/v2.14.3Release Notes
→
https://vuldb.com/?ctiid.259051Permissions Required · VDB Entry
→
https://vuldb.com/?id.259051Third Party Advisory · VDB Entry
→
https://vuldb.com/?submit.304557Exploit · Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2024-3204
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-122
CISA KEVNo
Affected1 vendor(s)
PublishedApr 2, 2024

Related CVEs (CWE-122)

CVE-2026-46752
10.0
CVE-2025-23123
10.0
CVE-2021-21940
10.0
CVE-2021-25387
10.0
CVE-2022-34819
10.0
CVE-2026-44050
9.9

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2024-3204 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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