MEDIUMCVSS v3.1 5.5Vulnerability
CVE-2026-122330
Blosc c-blosc2 before 3.5.0 contains a divide-by-zero vulnerability in blosc2_schunk_get_slice_buffer() in blosc/schunk.c that allows attackers to crash applications by supplying crafted frames with unchecked zero chunksize or blocksize values. Attackers can provide a malicious Blosc2 frame opened via blosc2_schunk_open() or blosc2_schunk_from_buffer() and read as a slice, raising SIGFPE and terminating the process.
Properties
- Severity
- MEDIUM
- Nvd fetched at
- 2026-11-05T18:05:53.357748+00:00
- Cvss score
- 5.5
- Cvss severity
- MEDIUM
- Retrieved at
- 2026-11-05T18:06:50+00:00
- Score
- 5.5
- Last source
- NVD
- Cvss version
- 3.1
- Cve id
- CVE-2026-122330
- Cvss vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- First seen by Signal
- 2026-11-05T18:02:03+00:00
- Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- Published at
- 2026-11-05T16:17:46.197
- Last modified
- 2026-11-05T16:17:46.197
Related Entities (1)
HAS_WEAKNESS (1)
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