C-blosc2 before 2.9.3 was discovered to contain a NULL pointer dereference via the…
Priority LOW 34CWE-476Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-476.
Summary
C-blosc2 before 2.9.3 was discovered to contain a NULL pointer dereference via the function zfp_rate_decompress at zfp/blosc2-zfp.c.
Why it matters now
EPSS 0.00834 57th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-37188
- 2026-10-03 Alias added: GHSA-45pw-h44c-jmqc
References
More Blosc C-blosc2 vulnerabilities
- TI-2024-03004 c-blosc2 ndlz4x4.c ndlz4_decompress heap-based overflow CVSS 3.1CRITICAL 9.8
- TI-2024-03003 c-blosc2 ndlz8x8.c ndlz8_decompress heap-based overflow CVSS 3.1CRITICAL 9.8
- TI-2023-18819 C-blosc2 before 2.9.3 was discovered to contain a NULL pointer dereference via the… CVSS 3.1HIGH 7.5
- TI-2020-17648 blosc2.c in Blosc C-Blosc2 through 2.0.0.beta.5 has a heap-based buffer overflow when… CVSS 3.1HIGH 7.8
- TI-2023-18821 C-blosc2 before 2.9.3 was discovered to contain a NULL pointer dereference via the… CVSS 3.1HIGH 7.5
- TI-2023-18820 C-blosc2 before 2.9.3 was discovered to contain a NULL pointer dereference in… CVSS 3.1HIGH 7.5
Sources
- CVE-2023-37188 · CVE Program
- CVE-2023-37188 · NVD
- FIRST EPSS
- GHSA-45pw-h44c-jmqc · GitHub Advisory Database · CC BY 4.0
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