Upstream information

CVE-2020-29367 at MITRE

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.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having critical severity.

CVSS v2 Scores
CVSS detail National Vulnerability Database
Base Score 9.3
Vector AV:N/AC:M/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
CVSS v3 Scores
CVSS detail National Vulnerability Database
Base Score 7.8
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1179914 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Package Hub 15 SP1
  • blosc-devel >= 1.20.1-bp151.4.3.1
  • libblosc1 >= 1.20.1-bp151.4.3.1
 Patchnames:
openSUSE-2020-2337
SUSE Package Hub 15 SP2
  • blosc-devel >= 1.20.1-bp152.4.3.1
  • libblosc1 >= 1.20.1-bp152.4.3.1
 Patchnames:
openSUSE-2020-2337
openSUSE Leap 15.1
  • blosc-devel >= 1.20.1-lp151.3.3.1
  • libblosc1 >= 1.20.1-lp151.3.3.1
 Patchnames:
openSUSE-2020-2337
openSUSE Leap 15.2
  • blosc-devel >= 1.20.1-lp152.4.3.1
  • libblosc1 >= 1.20.1-lp152.4.3.1
 Patchnames:
openSUSE-2020-2337
openSUSE Tumbleweed
  • blosc-devel >= 1.21.0-1.3
  • libblosc1 >= 1.21.0-1.3
 Patchnames:
openSUSE-Tumbleweed-2024-10655

SUSE Timeline for this CVE

CVE page created: Fri Nov 27 22:56:00 2020
CVE page last modified: Mon Oct 6 19:27:26 2025