MGASA-2021-0229 - Updated lz4 packages fix a security vulnerability Publication date: 08 Jun 2021 URL: https://advisories.mageia.org/MGASA-2021-0229.html Type: security Affected Mageia releases: 7, 8 CVE: CVE-2021-3520 An attacker who submits a crafted file to an application linked with lz4 may be able to trigger an integer overflow, leading to calling of memmove() on a negative size argument, causing an out-of-bounds write and/or a crash. The greatest impact of this flaw is to availability, with some potential impact to confidentiality and integrity as well (CVE-2021-3520). References: - https://bugs.mageia.org/show_bug.cgi?id=28990 - https://www.debian.org/security/2021/dsa-4919 - https://ubuntu.com/security/notices/USN-4968-1 - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3520 SRPMS: - 8/core/lz4-1.9.3-1.1.mga8 - 7/core/lz4-1.9.2-1.1.mga7
Mageia 2021-0229: lz4 security update
An attacker who submits a crafted file to an application linked with lz4 may be able to trigger an integer overflow, leading to calling of memmove() on a negative size argument, ca...
Summary
An attacker who submits a crafted file to an application linked with lz4 may be able to trigger an integer overflow, leading to calling of memmove() on a negative size argument, causing an out-of-bounds write and/or a crash. The greatest impact of this flaw is to availability, with some potential impact to confidentiality and integrity as well (CVE-2021-3520).
References
- https://bugs.mageia.org/show_bug.cgi?id=28990
- https://www.debian.org/security/2021/dsa-4919
- https://ubuntu.com/security/notices/USN-4968-1
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3520
Resolution
MGASA-2021-0229 - Updated lz4 packages fix a security vulnerability
SRPMS
- 8/core/lz4-1.9.3-1.1.mga8
- 7/core/lz4-1.9.2-1.1.mga7
Severity
Publication date: 08 Jun 2021
URL: https://advisories.mageia.org/MGASA-2021-0229.html
Type: security
CVE: CVE-2021-3520
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