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/security-announce@lists.opensuse.org/thread/VPTII3AXCRZZGBCOLCFY7HQI24L2PGVQ/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-29367

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

Mageia 2021-0051: blosc security update

A heap-based buffer overflow vulnerability was found in the blosc library

Summary

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/security-announce@lists.opensuse.org/thread/VPTII3AXCRZZGBCOLCFY7HQI24L2PGVQ/

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-29367

Resolution

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

SRPMS

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

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

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