b
blosc
Security Risk Profile
45
/100
mediumSecurity Risk Score
Comprehensive risk assessment based on 9 vulnerabilities, EPSS scores, exploitation status, and remediation availability.
📅 Data spans from November 27, 2020 to present
9
Total CVEs
7
Critical+High
0
Exploited
2
Unpatched
Threat Assessment
Avg CVSS
7.9
Base severity
Avg EPSS
0%
Exploit probability
Unpatched
2
Critical/High
Risk Level
45/100
medium
🆕 1Fresh (<7d)📈 1 in Last 30 Days
Severity Distribution
Critical
3High
4Medium
2Low
0Exploit Likelihood
>50% chance
020-50%
05-20%
0<5%
2Age Distribution
Common Weaknesses (CWE)
1
Buffer Overflow
4
2
Null Pointer Dereference
4
3
Integer Overflow
1
Most Affected Products
1. blosc C-Blosc217
2. C-blosc2 Project C-blosc29
3. c-blosc2 c-blosc22
4. pip/blosc21
Recent Vulnerabilities
See more →CVE-2026-103222
CVSS 6.3medium
Blosc C-Blosc2 blosclz Decompression blosclz.c blosclz_decompress integer overflow
Sep 30, 2026🔧 No Patch
CVE-2025-29476
CVSS 5.5medium
Apr 4, 2025🔧 No Patch
CVE-2024-3204
CVSS 9.8EPSS 0%critical
c-blosc2 ndlz4x4.c ndlz4_decompress heap-based overflow
Apr 2, 2024🔧 No Patch
CVE-2024-3203
CVSS 9.8EPSS 0%critical
c-blosc2 ndlz8x8.c ndlz8_decompress heap-based overflow
Apr 2, 2024🔧 No Patch
CVE-2023-37188
CVSS 7.5high
Dec 25, 2023
CVE-2023-37187
CVSS 7.5high
Dec 25, 2023
CVE-2023-37186
CVSS 7.5high
Dec 25, 2023
CVE-2023-37185
CVSS 7.5high
Dec 25, 2023
CVE-2020-29367
CVSS 9.3critical
Nov 27, 2020
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