MGASA-2021-0109 - Updated screen packages fix security vulnerability

Publication date: 04 Mar 2021
URL: https://advisories.mageia.org/MGASA-2021-0109.html
Type: security
Affected Mageia releases: 7, 8
CVE: CVE-2021-26937

Felix Weinmann reported a flaw in the handling of combining characters in
screen, which can result in denial of service, or potentially the execution of
arbitrary code via a specially crafted UTF-8 character sequence
(CVE-2021-26937).

References:
- https://bugs.mageia.org/show_bug.cgi?id=28390
- https://www.debian.org/security/2021/dsa-4861
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26937

SRPMS:
- 8/core/screen-4.8.0-2.1.mga8
- 7/core/screen-4.6.2-2.2.mga7

Mageia 2021-0109: screen security update

Felix Weinmann reported a flaw in the handling of combining characters in screen, which can result in denial of service, or potentially the execution of arbitrary code via a specia...

Summary

Felix Weinmann reported a flaw in the handling of combining characters in screen, which can result in denial of service, or potentially the execution of arbitrary code via a specially crafted UTF-8 character sequence (CVE-2021-26937).

References

- https://bugs.mageia.org/show_bug.cgi?id=28390

- https://www.debian.org/security/2021/dsa-4861

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26937

Resolution

MGASA-2021-0109 - Updated screen packages fix security vulnerability

SRPMS

- 8/core/screen-4.8.0-2.1.mga8

- 7/core/screen-4.6.2-2.2.mga7

Severity
Publication date: 04 Mar 2021
URL: https://advisories.mageia.org/MGASA-2021-0109.html
Type: security
CVE: CVE-2021-26937

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