Mageia 2021-0051: blosc security update

A heap-based buffer overflow vulnerability was found in the blosc library. Depending on how the library is used, if there is a lack of space to write compressed data, an attacker might exploit this flaw to crash the program or potentially execute arbitrary code (CVE-2020-29367).

MGASA-2021-0051 - Updated blosc packages fix a security vulnerability

Publication date: 22 Jan 2021
URL: https://advisories.mageia.org/MGASA-2021-0051.html
Type: security
Affected Mageia releases: 7
CVE: CVE-2020-29367

A heap-based buffer overflow vulnerability was found in the blosc library.
Depending on how the library is used, if there is a lack of space to write
compressed data, an attacker might exploit this flaw to crash the program or
potentially execute arbitrary code (CVE-2020-29367).

References:
- https://bugs.mageia.org/show_bug.cgi?id=27953
- https://lists.opensuse.org/archives/list/This email address is being protected from spambots. You need JavaScript enabled to view it./thread/VPTII3AXCRZZGBCOLCFY7HQI24L2PGVQ/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-29367

SRPMS:
- 7/core/blosc-1.20.1-1.mga7