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

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products past their end of life and not receiving proactive updates anymore.
SUSE Package Hub 15 SP1 blosc Released
SUSE Package Hub 15 SP2 blosc Released

SUSE Timeline for this CVE

CVE page created: Fri Nov 27 22:56:00 2020
CVE page last modified: Thu Dec 11 16:49:03 2025