Vulnerability DatabaseCVE-2025-29476
Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
CVE-2025-29476
Published:April 04, 2025
Updated:September 22, 2026
Buffer Overflow vulnerability in compress_chunk_fuzzer with oss-fuzz on commit 16450518afddcb3139de627157208e49bfef6987 in c-blosc2 v.2.17.0 and before.
Affected Packages
https://github.com/Blosc/c-blosc2.git (GITHUB):
Affected version(s) >=v2.0.0 <v2.17.1
Fix Suggestion:
Update to version v2.17.1
Related Resources (2)
https://github.com/Blosc/c-blosc2/issues/656
https://github.com/lmarch2/poc/blob/main/c-blosk2/c-blosk2.md
Do you need more information?
Contact Us
CVSS v4
Base Score:
5.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
PASSIVE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
Weakness Type (CWE)
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-120
EPSS
Base Score:
0.24