SCA: security update for blosc2 (GHSA-8c7c-2c8j-3xfp)

high Tenable Cloud Security Plugin ID 425764

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- 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. (CVE-2020-29367)

See Also

https://github.com/advisories/GHSA-8c7c-2c8j-3xfp

Plugin Details

Severity: High

ID: 425764

Version: Revision 1.7

Type: Local

Family: SCA Checks

Published: 4/26/2025

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.15

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 6.9

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2020-29367

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/24/2022

Vulnerability Publication Date: 11/27/2020

Reference Information

CVE: CVE-2020-29367

cwe: CWE-787