Vulnerability · Published Nov 27, 2020 · Assigned by mitre
CVE-2020-29367
High 7.8
In plain English
A high-severity security flaw in the blosc2 package (PyPI). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.8High
Exploit odds (30 days)1.2%top 31.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | blosc2 | 0.1.7 | GHSA-8c7c-2c8j-3xfp |
| PyPI | blosc2 | no fix listed | PYSEC-2020-343 |