PYSEC-2020-343

See a problem?
Import Source
https://github.com/pypa/advisory-database/blob/main/vulns/blosc2/PYSEC-2020-343.yaml
JSON Data
https://api.osv.dev/v1/vulns/PYSEC-2020-343
Aliases
Withdrawn
2024-11-22T04:37:03Z
Published
2020-11-27T20:15:00Z
Modified
2026-06-10T17:45:04.784452220Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

blosc2.c in Blosc C-Blosc2 through 2.0.0.beta.5 has a heap-based buffer overflow when there is a lack of space to write compressed data.

References

Affected packages

PyPI / blosc2

Package

Affected ranges

Type
GIT
Repo
https://github.com/Blosc/c-blosc2
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.1.1
0.1.2
0.1.3
0.1.4
0.1.5
0.1.6
0.1.7
0.1.8
0.1.9
0.1.10
0.2.0
0.3.0
0.3.1
0.3.2
0.4.0
0.4.1
0.5.1
0.5.2
0.6.1
0.6.2
0.6.3
0.6.4
0.6.5
0.6.6
v2.*
v2.0.0a2
v2.0.0a3
v2.0.0a4
v2.0.0a5
v2.0.0-beta.1
v2.0.0-beta.3
v2.0.0-beta.4
v2.0.0.beta.5
2.*
2.0.0
2.1.0
2.1.1
2.2.0
2.2.1
2.2.2
2.2.3
2.2.4
2.2.5
2.2.6
2.2.7
2.2.8
2.2.9
2.3.0
2.3.1
2.3.2
2.4.0
2.5.0
2.5.1
2.6.0
2.6.1
2.6.2
2.7.0
2.7.1
3.*
3.0.0b1
3.0.0b3
3.0.0b4
3.0.0rc1
3.0.0rc2
3.0.0rc3
3.0.0
3.1.0
3.1.1
3.2.0
3.2.1
3.3.0
3.3.1
3.3.2
3.3.3
3.3.4
3.4.0
3.5.0
3.5.1
3.6.0
3.6.1
3.7.0
3.7.1
3.7.2
3.8.0
3.9.0
3.9.1
3.10.0
3.10.1
3.10.2
3.11.0
3.11.1
3.12.0
3.12.1
3.12.2
4.*
4.0.0b1
4.0.0
4.1.0
4.1.1
4.1.2
4.2.0
4.3.0
4.3.1
4.3.3
4.4.1
4.4.2
4.4.3

Database specific

source
"https://github.com/pypa/advisory-database/blob/main/vulns/blosc2/PYSEC-2020-343.yaml"