CVE-2023-37186 json
C-blosc2 before 2.9.3 was discovered to contain a NULL pointer dereference in ndlz/ndlz8x8.c via a NULL pointer to memset.
published 2023-12-25 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-41106
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 57%
- public exploits
- 0
- none known
Summary
C-blosc2 before 2.9.3 was discovered to contain a NULL pointer dereference in ndlz/ndlz8x8.c via a NULL pointer to memset.
Patch / fix
Exploit prediction
0.83% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/Blosc/c-blosc2/issues/522 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Classification
- Weakness
-
- CWE-476 NULL Pointer Dereference
References
-
github.com
/Blosc/c-blosc2/commit/d55bfcd6804699e1435dc3e233fd76c8a5d3f9e3
patch
-
github.com
/Blosc/c-blosc2/issues/522
exploit, issue-tracking, vendor-advisory
-
github.com
/Blosc/c-blosc2/compare/v2.9.2...v2.9.3
release-notes
Sources
- CVE List CVE-2023-37186
- NVD CVE-2023-37186
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